> ## 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 register for a sales tax permit in Maine

| Sidr Tax creates the sales tax account for you. However, this state requires that you have your own login and we access your account as a third-party.

### Access your sales tax account with your [Maine Tax Portal (MTP)](https://revenue.maine.gov/) login

After Sidr Tax applies for a sales tax permit on your behalf, you will receive your Maine sales tax ID, and filing frequency in the mail.
Sidr Tax also creates a login on your behalf, you can access your login information by going to the [registration page](https://tax.sidr.io/registrations) and clicking on the details button.

![Access your registration details](https://storage.crisp.chat/users/helpdesk/website/e1600c862ede4800/group-10844-2_1dldgp.png)

Before you login for the first time, we will need to add your email to two factor authentication. Please chat with us when you have time, so we can work with you to add your email. This process should only take 5 minutes.
Once your email has been added to the two factor authentication list, you can use the provided username and password to login [here](https://revenue.maine.gov/).

### Update your [Maine Tax Portal (MTP)](https://revenue.maine.gov/) email

After you login at [Maine Tax Portal (MTP)](https://revenue.maine.gov/) for the first time, please update the account email to your own business email. Please follow the steps below.
* Click `the profile icon` on the top right.
* Click `My Profile`.

![Go to "My Profile"](https://storage.crisp.chat/users/helpdesk/website/-/e/1/6/0/e1600c862ede4800/group-10916_8jeuoi.png)

* Click `Change Email`. You will be asked to validate your email with a security code.

![Click "Change Email"](https://storage.crisp.chat/users/helpdesk/website/-/e/1/6/0/e1600c862ede4800/group-10919_1xo0i51.png)

### Want to setup Autofile?

Learn more about the Autofile feature [here](/en-us/article/sales-tax-autofile-setup-1vxgwce/).
Learn more about the Maine-specific Autofile requirements [here](/en-us/article/how-to-setup-autofile-for-maine-1uytqp3/).