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Appendix D - GPL Code Statement
Preamble
 The GNU General Public License is a free, copyleft license for software and other kinds of works.
The licenses for most software and other practical works are designed to take away your freedom to share and change the 
works. By contrast, the GNU General Public License is intended to guarantee your freedom to share and change all versions 
of a program--to make sure it remains free software for all its users.  We, the Free Software Foundation, use the GNU General 
Public License for most of our software; it applies also to any other work released this way by its authors.  You can apply it to 
your programs, too.
 When we speak of free software, we are referring to freedom, not price. Our General Public Licenses are designed to make 
sure that you have the freedom to distribute copies of free software (and charge for them if you wish), that you receive source 
code or can get it if you want it, that you can change the software or use pieces of it in new free programs, and that you know 
you can do these things.
To protect your rights, we need to prevent others from denying you these rights or asking you to surrender the rights. Therefore, 
you  have  certain  responsibilities  if  you  distribute  copies  of  the  software,  or  if  you  modify  it:  responsibilities  to  respect  the 
freedom of others.
For  example,  if  you  distribute  copies  of  such  a  program,  whether  gratis  or  for  a  fee,  you  must  pass  on  to  the  recipients  the 
same freedoms that you received.  You must make sure that they, too, receive or can get the source code.  And you must show 
them these terms so they know their rights.
Developers that use the GNU GPL protect your rights with two steps:
(1)  assert  copyright  on  the  software,  and  (2)  offer  you  this  License  giving  you  legal  permission  to  copy,  distribute  and/or 
modify it.
For the developers’ and authors’ protection, the GPL clearly explains that there is no warranty for this free software.  For both 
users’  and  authors’  sake,  the  GPL  requires  that  modified  versions  be  marked  as  changed,  so  that  their  problems  will  not  be 
attributed erroneously to authors of previous versions.
  Some  devices  are  designed  to  deny  users  access  to  install  or  run  modified  versions  of  the  software  inside  them,  although 
the  manufacturer  can  do  so.   This  is  fundamentally  incompatible  with  the  aim  of  protecting  users’  freedom  to  change  the 
software.  The systematic pattern of such abuse occurs in the area of products for individuals to use, which is precisely where it 
is most unacceptable.  Therefore, we have designed this version of the GPL to prohibit the practice for those products.  If such 
problems arise substantially in other domains, we stand ready to extend this provision to those domains in future versions of 
the GPL, as needed to protect the freedom of users.  
						

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Appendix D - GPL Code Statement
Finally, every program is threatened constantly by software patents. States should not allow patents to restrict development 
and use of software on general-purpose computers, but in those that do, we wish to avoid the special danger that patents 
applied to a free program could make it effectively proprietary.  To prevent this, the GPL assures that patents cannot be used 
to render the program non-free.
The precise terms and conditions for copying, distribution and modification follow.
 TERMS AND CONDITIONS
0. Definitions.
“This License” refers to version 3 of the GNU General Public License.
“Copyright” also means copyright-like laws that apply to other kinds of works, such as semiconductor masks.
“The Program” refers to any copyrightable work licensed under this License.  Each licensee is addressed as “you”.  “Licensees” 
and “recipients” may be individuals or organizations.
To “modify” a work means to copy from or adapt all or part of the work in a fashion requiring copyright permission, other than 
the  making  of  an  exact  copy.   The  resulting  work  is  called  a “modified  version”  of  the  earlier  work  or  a  work “based  on”  the 
earlier work.
A “covered work” means either the unmodified Program or a work based on the Program.
To “propagate” a work means to do anything with it that, without permission, would make you directly or secondarily liable 
for infringement under applicable copyright law, except executing it on a computer or modifying a private copy.  Propagation 
includes  copying,  distribution  (with  or  without  modification),  making  available  to  the  public,  and  in  some  countries  other 
activities as well.
To “convey” a work means any kind of propagation that enables other parties to make or receive copies.  Mere interaction with 
a user through a computer network, with no transfer of a copy, is not conveying.
An interactive user interface displays “Appropriate Legal Notices” to the extent that it includes a convenient and prominently 
visible feature that (1) displays an appropriate copyright notice, and (2) tells the user that there is no warranty for the work 
(except to the extent that warranties are provided), that licensees may convey the work under this License, and how to view a 
copy of this License.  If the interface presents a list of user commands or options, such as a menu, a prominent item in the list 
meets this criterion.  
						

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Appendix D - GPL Code Statement
1. Source Code.
The “source code” for a work means the preferred form of the work for making modifications to it.  “Object code” means any 
non-source form of a work.
A “Standard Interface” means an interface that either is an official standard defined by a recognized standards body, or, in the 
case of interfaces specified for a particular programming language, one that is widely used among developers working in that 
language.
The “System  Libraries”  of  an  executable  work  include  anything,  other  than  the  work  as  a  whole,  that  (a)  is  included  in  the 
normal form of packaging a Major Component, but which is not part of that Major Component, and (b) serves only to enable 
use of the work with that Major Component, or to implement a Standard Interface for which an implementation is available 
to the public in source code form.  A “Major Component”, in this context, means a major essential component (kernel, window 
system, and so on) of the specific operating system (if any) on which the executable work runs, or a compiler used to produce 
the work, or an object code interpreter used to run it.
The “Corresponding  Source”  for  a  work  in  object  code  form  means  all  the  source  code  needed  to  generate,  install,  and  (for 
an  executable  work)  run  the  object  code  and  to  modify  the  work,  including  scripts  to  control  those  activities.    However,  it 
does not include the work’s System Libraries, or general-purpose tools or generally available free programs which are used 
unmodified in performing those activities but which are not part of the work.  For example, Corresponding Source includes 
interface  definition  files  associated  with  source  files  for  the  work,  and  the  source  code  for  shared  libraries  and  dynamically 
linked subprograms that the work is specifically designed to require, such as by intimate data communication or control flow 
between those subprograms and other parts of the work.
The  Corresponding  Source  need  not  include  anything  that  users  can  regenerate  automatically  from  other  parts  of  the 
Corresponding Source.
The Corresponding Source for a work in source code form is that same work.  
						

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Appendix D - GPL Code Statement
2.	Basic	Permissions.
All rights granted under this License are granted for the term of copyright on the Program, and are irrevocable provided the 
stated  conditions  are  met.    This  License  explicitly  affirms  your  unlimited  permission  to  run  the  unmodified  Program.    The 
output  from  running  a  covered  work  is  covered  by  this  License  only  if  the  output,  given  its  content,  constitutes  a  covered 
work.  This License acknowledges your rights of fair use or other equivalent, as provided by copyright law.
You  may  make,  run  and  propagate  covered  works  that  you  do  not  convey,  without  conditions  so  long  as  your  license  oth-
erwise remains in force.  You may convey covered works to others for the sole purpose of having them make modifications 
exclusively  for  you,  or  provide  you  with  facilities  for  running  those  works,  provided  that  you  comply  with  the  terms  of  this 
License in conveying all material for which you do not control copyright.  Those thus making or running the covered works 
for you must do so exclusively on your behalf, under your direction and control, on terms that prohibit them from making any 
copies of your copyrighted material outside their relationship with you.
Conveying under any other circumstances is permitted solely under the conditions stated below.  Sublicensing is not allowed; 
section 10 makes it unnecessary.
3. Protecting Users’ Legal Rights From Anti-Circumvention Law.
No covered work shall be deemed part of an effective technological measure under any applicable law fulfilling obligations 
under  article  11  of  the  WIPO  copyright  treaty  adopted  on  20  December  1996,  or  similar  laws  prohibiting  or  restricting 
circumvention of such measures.
When you convey a covered work, you waive any legal power to forbid circumvention of technological measures to the extent 
such circumvention
is effected by exercising rights under this License with respect to the covered work, and you disclaim any intention to limit 
operation or modification of the work as a means of enforcing, against the work’s users, your or third parties’ legal rights to 
forbid circumvention of technological measures.  
						

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Appendix D - GPL Code Statement
4. Conveying Verbatim Copies.
You may convey verbatim copies of the Program’s source code as you receive it, in any medium, provided that you conspicuously 
and appropriately publish on each copy an appropriate copyright notice; keep intact all notices stating that this License and 
any  non-permissive  terms  added  in  accord  with  section  7  apply  to  the  code;  keep  intact  all  notices  of  the  absence  of  any 
warranty; and give all recipients a copy of this License along with the Program.
You may charge any price or no price for each copy that you convey, and you may offer support or warranty protection for a 
fee.
5. Conveying Modified Source Versions.
You  may  convey  a  work  based  on  the  Program,  or  the  modifications  to  produce  it  from  the  Program,  in  the  form  of  source 
code under the terms of section 4, provided that you also meet all of these conditions:
a) The work must carry prominent notices stating that you modified it, and giving a relevant date.
b)  The work must carry prominent notices stating that it is released under this License and any conditions added 
under section 7.  This requirement modifies the requirement in section 4 to   “keep intact all notices”.
c)  You  must  license  the  entire  work,  as  a  whole,  under  this  License  to  anyone  who  comes  into  possession  of  a 
copy. This  License  will  therefore  apply,  along  with  any  applicable  section  7  additional  terms,  to  the  whole  of 
the work, and all its parts, regardless of how they are packaged.  This License gives no permission to license the 
work in any other way, but it does not invalidate such permission if you have separately received it.
d)  If the work has interactive user interfaces, each must display Appropriate Legal Notices; however, if the Program 
has interactive interfaces that do not display Appropriate Legal Notices, your work need not make them do so.
A  compilation  of  a  covered  work  with  other  separate  and  independent  works,  which  are  not  by  their  nature  extensions  of 
the  covered  work,  and  which  are  not  combined  with  it  such  as  to  form  a  larger  program,  in  or  on  a  volume  of  a  storage  or 
distribution medium, is called an “aggregate” if the compilation and its resulting copyright are not used to limit the access or 
legal rights of the compilation’s users beyond what the individual works permit.  Inclusion of a covered work in an aggregate 
does not cause this License to apply to the other parts of the aggregate.  
						

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Appendix D - GPL Code Statement
6. Conveying Non-Source Forms.
You may convey a covered work in object code form under the terms of sections 4 and 5, provided that you also convey the 
machine-readable Corresponding Source under the terms of this License, in one of these ways:
a) Convey  the  object  code  in,  or  embodied  in,  a  physical  product  (including  a  physical  distribution  medium), 
accompanied by the Corresponding Source fixed on a durable physical medium customarily used for software 
interchange.
b)  Convey  the  object  code  in,  or  embodied  in,  a  physical  product  (including  a  physical  distribution  medium), 
accompanied  by  a  written  offer,  valid  for  at  least  three  years  and  valid  for  as  long  as  you  offer  spare  parts  or 
customer  support  for  that  product  model,  to  give  anyone  who  possesses  the  object  code  either  (1)  a  copy 
of  the  Corresponding  Source  for  all  the  software  in  the  product  that  is  covered  by  this  License,  on  a  durable 
physical medium customarily used for software interchange, for a price no more than your reasonable cost of 
physically performing this conveying of source, or (2) access to copy the Corresponding Source from a network 
server at no charge.
c)  Convey  individual  copies  of  the  object  code  with  a  copy  of  the  written  offer  to  provide  the  Corresponding 
Source.  This alternative is allowed only occasionally and noncommercially, and only if you received the object 
code with such an offer, in accord with subsection 6b.
d)  Convey the object code by offering access from a designated place (gratis or for a charge), and offer equivalent 
access to the Corresponding Source in the same way through the same place at no further charge.  You need 
not require recipients to copy the Corresponding Source along with the object code.  If the place to copy the 
object  code  is  a  network  server,  the  Corresponding  Source  may  be  on  a  different  server  (operated  by  you  or 
a  third  party)  that  supports  equivalent  copying  facilities,  provided  you  maintain  clear  directions  next  to  the 
object code saying where to find the Corresponding Source.  Regardless of what server hosts the Corresponding 
Source, you remain obligated to ensure that it is available for as long as needed to satisfy these requirements.
e)   Convey  the  object  code  using  peer-to-peer  transmission,  provided  you  inform  other  peers  where  the  object 
code  and  Corresponding  Source  of  the  work  are  being  offered  to  the  general  public  at  no  charge  under 
subsection 6d.
A  separable  portion  of  the  object  code,  whose  source  code  is  excluded  from  the  Corresponding  Source  as  a  System 
Library, need not be included in conveying the object code work.  
						

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Appendix D - GPL Code Statement
A “User Product” is either (1) a “consumer product”, which means any tangible personal property which is normally used for 
personal, family, or household purposes, or (2) anything designed or sold for incorporation into a dwelling.  In determining 
whether  a  product  is  a  consumer  product,  doubtful  cases  shall  be  resolved  in  favor  of  coverage.    For  a  particular  product 
received by a particular user, “normally used” refers to a typical or common use of that class of product, regardless of the status 
of the particular user or of the way in which the particular user actually uses, or expects or is expected to use, the product.  A 
product  is  a  consumer  product  regardless  of  whether  the  product  has  substantial  commercial,  industrial  or  non-consumer 
uses, unless such uses represent the only significant mode of use of the product.
“Installation Information” for a User Product means any methods, procedures, authorization keys, or other information required 
to install and execute modified versions of a covered work in that User Product from a modified version of its Corresponding 
Source.  The  information  must  suffice  to  ensure  that  the  continued  functioning  of  the  modified  object  code  is  in  no  case 
prevented or interfered with solely because modification has been made.
If you convey an object code work under this section in, or with, or specifically for use in, a User Product, and the conveying 
occurs as part of a transaction in which the right of possession and use of the User Product is transferred to the recipient in 
perpetuity or for a fixed term (regardless of how the transaction is characterized), the Corresponding Source conveyed under 
this section must be accompanied by the Installation Information.  But this requirement does not apply if neither you nor any 
third party retains the ability to install modified object code on the User Product (for example, the work has been installed in 
ROM).
The requirement to provide Installation Information does not include a requirement to continue to provide support service, 
warranty, or updates for a work that has been modified or installed by the recipient, or for the User Product in which it has 
been modified or installed.  Access to a network may be denied when the modification itself materially and adversely affects 
the operation of the network or violates the rules and protocols for communication across the network.
Corresponding Source conveyed, and Installation Information provided, in accord with this section must be in a format that is 
publicly documented (and with an implementation available to the public in source code form), and must require no special 
password or key for unpacking, reading or copying.  
						

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Appendix D - GPL Code Statement
7. Additional Terms.
 “Additional permissions” are terms that supplement the terms of this License by making exceptions from one or more of its 
conditions. Additional permissions that are applicable to the entire Program shall be treated as though they were included in 
this License, to the extent that they are valid under applicable law.  If additional permissions apply only to part of the Program, 
that part may be used separately under those permissions, but the entire Program remains governed by this License without 
regard to the additional permissions.
When you convey a copy of a covered work, you may at your option remove any additional permissions from that copy, or 
from  any  part  of  it.  (Additional  permissions  may  be  written  to  require  their  own  removal  in  certain  cases  when  you  modify 
the work). You may place additional permissions on material, added by you to a covered work, for which you have or can give 
appropriate copyright permission.
Notwithstanding any other provision of this License, for material you add to a covered work, you may (if authorized by the 
copyright holders of that material) supplement the terms of this License with terms:
a) Disclaiming warranty or limiting liability differently from the terms of sections 15 and 16 of this License; or
b)  Requiring  preservation  of  specified  reasonable  legal  notices  or  author  attributions  in  that  material  or  in  the 
Appropriate Legal Notices displayed by works containing it; or
c)  Prohibiting misrepresentation of the origin of that material, or requiring that modified versions of such material 
be marked in reasonable ways as different from the original version; or
d)  Limiting the use for publicity purposes of names of licensors or authors of the material; or
e)  Declining to grant rights under trademark law for use of some trade names, trademarks, or service marks; or
f )  Requiring  indemnification  of  licensors  and  authors  of  that  material  by  anyone  who  conveys  the  material  (or 
modified  versions  of  it)  with  contractual  assumptions  of  liability  to  the  recipient,  for  any  liability  that  these 
contractual assumptions directly impose on those licensors and authors.  
						

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Appendix D - GPL Code Statement
All other non-permissive additional terms are considered “further restrictions” within the meaning of section 10.  If the Program 
as  you  received  it,  or  any  part  of  it,  contains  a  notice  stating  that  it  is  governed  by  this  License  along  with  a  term  that  is  a 
further  restriction,  you  may  remove  that  term.    If  a  license  document  contains  a  further  restriction  but  permits  relicensing 
or conveying under this License, you may add to a covered work material governed by the terms of that license document, 
provided that the further restriction does not survive such relicensing or conveying.
If you add terms to a covered work in accord with this section, you must place, in the relevant source files, a statement of the 
additional terms that apply to those files, or a notice indicating where to find the applicable terms.
Additional  terms,  permissive  or  non-permissive,  may  be  stated  in  the  form  of  a  separately  written  license,  or  stated  as 
exceptions; the above requirements apply either way.
8. Termination.
You may not propagate or modify a covered work except as expressly provided under this License.  Any attempt otherwise to 
propagate or modify it is void, and will automatically terminate your rights under this License (including any patent licenses 
granted under the third paragraph of section 11).
However,  if  you  cease  all  violation  of  this  License,  then  your  license  from  a  particular  copyright  holder  is  reinstated  (a) 
provisionally, unless and until the copyright holder explicitly and finally terminates your license, and (b) permanently, if the 
copyright holder fails to notify you of the violation by some reasonable means prior to 60 days after the cessation.
Moreover, your license from a particular copyright holder is reinstated permanently if the copyright holder notifies you of the 
violation by some reasonable means, this is the first time you have received notice of violation of this License (for any work) 
from that copyright holder, and you cure the violation prior to 30 days after your receipt of the notice.
Termination  of  your  rights  under  this  section  does  not  terminate  the  licenses  of  parties  who  have  received  copies  or  rights   
						

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Appendix D - GPL Code Statement
from  you  under  this  License.    If  your  rights  have  been  terminated  and  not  permanently  reinstated,  you  do  not  qualify  to 
receive new licenses for the same material under section 10.
9. Acceptance Not Required for Having Copies. 
You  are  not  required  to  accept  this  License  in  order  to  receive  or  run  a  copy  of  the  Program.    Ancillary  propagation  of  a 
covered  work  occurring  solely  as  a  consequence  of  using  peer-to-peer  transmission  to  receive  a  copy  likewise  does  not 
require  acceptance.    However,  nothing  other  than  this  License  grants  you  permission  to  propagate  or  modify  any  covered 
work.  These actions infringe copyright if you do not accept this License.  Therefore, by modifying or propagating a covered 
work, you indicate your acceptance of this License to do so.
10. Automatic Licensing of Downstream Recipients.
Each time you convey a covered work, the recipient automatically receives a license from the original licensors, to run, modify 
and propagate that work, subject to this License.  You are not responsible for enforcing compliance by third parties with this 
License.
An “entity transaction” is a transaction transferring control of an organization, or substantially all assets of one, or subdividing 
an  organization,  or  merging  organizations.    If  propagation  of  a  covered  work  results  from  an  entity  transaction,  each  party 
to  that  transaction  who  receives  a  copy  of  the  work  also  receives  whatever  licenses  to  the  work  the  party’s  predecessor  in 
interest had or could give under the previous paragraph, plus a right to possession of the Corresponding Source of the work 
from the predecessor in interest, if the predecessor has it or can get it with reasonable efforts.
You may not impose any further restrictions on the exercise of the rights granted or affirmed under this License.  For example, 
you may not impose a license fee, royalty, or other charge for exercise of rights granted under this License, and you may not 
initiate litigation (including a cross-claim or counterclaim in a lawsuit) alleging that any patent claim is infringed by making, 
using, selling, offering for sale, or importing the Program or any portion of it.