> ## 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 Massachusets

| 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-massachusetts-1epb8mi/) first.

### Accept third-party access request

Once you finish adding Autofile information for Massachusetts, Sidr Tax will request access to your account as a third party. We will email you about accepting the third-party access request. To do so, please log in to your [MassTaxConnect](https://mtc.dor.state.ma.us/mtc/_/#2) account and follow the steps in the images below.  
![](https://storage.crisp.chat/users/helpdesk/website/f54feea266756800/a1e0e198-618a-41fd-9237-36b989_1vmm054.png)

![](https://storage.crisp.chat/users/helpdesk/website/ac01003103669000/d91b2b6a-309b-4773-948f-1d9262_oja6on.png)

![](https://storage.crisp.chat/users/helpdesk/website/b878659aa4820800/6ce64b2a-806f-4219-b5c7-0d2caf_qznfit.png)