> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.sidr.io/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# How to setup Autofile for District of Colombia (Washington DC)

| This is a state-specific guide. Learn about setting up Autofile in general [here](/en-us/article/how-to-setup-sales-tax-autofile-1vxgwce/).
| Just finished registration? Please read the [registration guide](/en-us/article/how-to-register-for-a-sales-tax-permit-in-the-district-of-columbia-ry7aw1/) first.

### Allow third-party access to [MyTax DC](https://mytax.dc.gov/_/)

![](https://storage.crisp.chat/users/helpdesk/website/18ce58a021600f00/09b95fa8-2b50-492e-b596-63894d_120fu1j.png)

![](https://storage.crisp.chat/users/helpdesk/website/4fd572094ab04c00/61a317fb-088a-487a-8dec-9b0639_66rwsx.png)

![](https://storage.crisp.chat/users/helpdesk/website/47d896958bba7800/75f605a8-6713-47cd-8d4e-6d94b4_1wv5ik2.png)

Once you allow third-party access, let us know through chat, so we can send another access request to you.

### Grant third-party access to [MyTax DC](https://mytax.dc.gov/_/)

![](https://storage.crisp.chat/users/helpdesk/website/179c91ee82a6cb00/52442af1-b799-4b4b-9ecb-a29956_15oefub.png)

![](https://storage.crisp.chat/users/helpdesk/website/8ab0d94fdea0a80/e4c449cd-832a-47f0-b8a8-d048c6_1lb9ev7.png)

![](https://storage.crisp.chat/users/helpdesk/website/81fb2137adf4a800/4f0d1016-bb57-4457-9d6b-cd1a8e_1gir0hd.png)

![](https://storage.crisp.chat/users/helpdesk/website/e1600c862ede4800/step-4_1nm18ea.png)

You can see more details in the official DC third-party approval guide [here](https://mytax.dc.gov/WebFiles/Documents/Tut/Bus/MA/How_to_Request_and_Approve_Third_Party_Access.pdf).