# Contributing guidelines

If you have created a model and would like to publish it here, please send us a
pull request. For those just getting started with pull requests, GitHub has a
[howto](https://help.github.com/articles/using-pull-requests/).

The code for any model in this repository is licensed under the Apache License
2.0.

In order to accept our code, we have to make sure that we can publish your code:
You have to sign a Contributor License Agreement (CLA).

***NOTE***: Only [code owners](./CODEOWNERS) are allowed to merge a pull request. 
Please contact the code owners of each model to merge your pull request.

### Contributor License Agreements

Please fill out either the individual or corporate Contributor License Agreement (CLA).

  * If you are an individual writing original source code and you're sure you own the intellectual property, then you'll need to sign an [individual CLA](http://code.google.com/legal/individual-cla-v1.0.html).
  * If you work for a company that wants to allow you to contribute your work, then you'll need to sign a [corporate CLA](http://code.google.com/legal/corporate-cla-v1.0.html).

Follow either of the two links above to access the appropriate CLA and instructions for how to sign and return it. Once we receive it, we'll be able to accept your pull requests.

***NOTE***: Only original source code from you and other people that have signed the CLA can be accepted into the repository.

