> ## 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 Illinois

| 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-illinois-isa9tr/) first.

### Provide Sales Tax License ID

You can find your 8-digit sales tax license ID by logging into your [Illinois MyTax account](https://mytax.illinois.gov/_/).

![](https://storage.crisp.chat/users/helpdesk/website/edcc75ae49ed3000/305c9270-541e-4d7e-8f44-0225f3_8znz4.png)

### Provide 9-digit zipcode

You can find your 9-digit zipcode by logging into your [Illinois MyTax account](https://mytax.illinois.gov/_/).

![](https://storage.crisp.chat/users/helpdesk/website/49f728c14c33fc00/2ffe1450-f225-4ab9-a1b0-10e635_q1oljz.png)

### Allow third-party access to your [Illinois MyTax account](https://mytax.illinois.gov/_/)

Please allow third-party access to your [Illinois MyTax account](https://mytax.illinois.gov/_/) using the following steps.

* Click **Manage My Profile.** This is very important, otherwise you won't find the options in the following steps.

![Click "Manage My Profile". This step is required.](https://storage.crisp.chat/users/helpdesk/website/b9eaf3f33350500/53b89715-0b8e-4e58-950f-90c405_zwdzjv.png)
* Click **More...**.
* Click **Manage Third Party Access**.

![Click "More...", and then "Manage Third Party Access".](https://storage.crisp.chat/users/helpdesk/website/feac00f06316a800/f9f1bb7d-5772-4e9d-9942-d0a48a_1uvoras.png)

* Click **Allowed: No**.
* Allow third-party access. and also change the default account access to **File & Pay**.

![Click "Allowed: No".](https://storage.crisp.chat/users/helpdesk/website/4ae4fa431cb27c00/f6522d72-0442-41c5-b594-8b52cc_1auivm1.png)

![Change default account access to "File & Pay".](https://storage.crisp.chat/users/helpdesk/website/e1600c862ede4800/il-step-4_19bimaj.png)

If you don't see the third-party access option above, you are not logged in as an admin.

After you allow third-party logon, let us know through chat/email and we will request access to your IL account again.

Once the access is setup, you will be able to see the Sidr Tax logon information on the third-party access page.

### Electronic Filing Enrollment

Sidr Tax is an Illinois Certified Service Provider (CSP). To allow us to electronically transmit your returns, we also need to enroll your business into electronic filing. Sidr Tax will handle this step for you, and notify you once this is complete.

### (Optional) Grant third-party access to your  [Illinois MyTax account](https://mytax.illinois.gov/_/)

If you have previously granted access to Sidr Tax, please make sure that our access is **File & Pay**. This step is not necessary if your default account access is **File & Pay**.

![](https://storage.crisp.chat/users/helpdesk/website/e1600c862ede4800/il-step-5_2fvd7a.png)