> For the complete documentation index, see [llms.txt](https://local.docs.ssaudit.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://local.docs.ssaudit.com/english-1/self-invoice-module/setup-section.md).

# 8.1 Setup section

### Invoice Issuance

**Applicable operation:** When you need to register paper invoice template information before issuance: invoice template, serial number, quantity, invoice number range (from number — to number). This is a mandatory step before printing sales invoices.

To register invoice information, the user proceeds as follows:

1. Click **Add New** to create an invoice registration.
2. Enter invoice information:
   * Invoice Template: Select the template according to regulations.
   * Serial Number: Enter the invoice serial code.
   * Quantity: Total number of invoices to be issued.
   * Invoice From Number / To Number: Invoice number range.
3. Enter the invoice supplier company information.
4. Enter contract information: Contract Number, Contract Date.
5. Click **Save** to complete.

***

### Invoice Cancellation

**Applicable operation:** When you need to cancel issued invoices that are no longer in use (incorrectly written, returned by customers, or as required by tax authorities).

To cancel an invoice, the user proceeds as follows:

1. Enter the **Invoice Cancellation Date**.
2. Enter company information: Company Name, Address, Tax Identification Number (TIN).
3. Select the **Invoice Cancellation Method** according to regulations.
4. Click **Save** to complete.

> **Note:** Invoice cancellation must comply with the General Department of Taxation regulations. Cancelled invoices must be archived and reported in the invoice usage status report.

***

### Lost, Burned, or Damaged Invoices

**Applicable operation:** When an incident of lost, burned, or damaged invoices occurs, the company must prepare a report to submit to the tax authorities as required by regulations.

To prepare the report, the user proceeds as follows:

1. Enter the **Report Number** and **Report Date**.
2. Enter company information: Company Name, Address, Tax Identification Number (TIN).
3. Enter the **Reason** for the lost, burned, or damaged invoices.
4. Click **Save** to complete.

> **Note:** The report on lost, burned, or damaged invoices must be submitted to the tax authorities within 5 days from the date of discovery, in accordance with current regulations.