--- title: "SOP: How do I change an Invoice Date?" canonical: "https://kb.myframeworks.com.au/space/PROSTIXV48DOC/31099152/SOP%3A%20How%20do%20I%20change%20an%20Invoice%20Date%3F" format: markdown --- | | | | --- | --- | | **QUESTION:** | What setup is required in Prostix to allow the invoice date to be changed when releasing a sales order? | | **ANSWER:** | To determine how many days a user can post-date an invoice:
1. From the **ProStix Main Menu** select '**System Administration**' then '**System 'Set-up**' then '**Define Companies**' then '**Company Maintenance**'
2. Type or search for the required company number.
3. Select (Go) until you reach the second '**Accounts Receivable**' screen.
4. Go to the field labelled '**Post Dated Inv.**', then enter the number of days by which users can post-date invoices. You can allow users to post-date invoices by up to thirty (30) days.
5. Select (Go) through the remaining company maintenance screens, until you return to the '**Define Companies**' menu option.
To provide a user with the authority to post-date invoices:
1. From the **ProStix Main Menu** select '**System Administration**' then '**Security**' then '**Define Users**' then '**Define Users**'
2. At the user ID prompt, enter the user ID you wish to authorise.
3. Select (Go) until you proceed past the '**Modify User - ********' screen.
4. Update the '**Post/Pre Date Invoice**' flag to '**yes'.**
5. Select (Go) through the remaining define user screens, until you return to the '**User ID**' prompt.
6. If an unauthorised user attempts to post-date an invoice, they will need a user with the permission setup described above to authorise the release.
To enforce invoice dates within the current calendar month:
1. From the **ProStix Main Menu** select '**System Administration**' then '**Configuration**' then '**Tailoring Options**' then '**Flags (Yes/No)**'.
2. Navigate to the tailoring flag '**SOPInvMth**', with description 'Enforce S/O Invoice Release Date in Current Month'.
3. Select (Change) and modify the '**Y/N'** value to '**yes'.**
4. Select (Go). | | **FOR FURTHER INFORMATION REFER TO:** | 'Company Setup' and 'Creating/Maintaining Users' sections in the [System Administration User Guide](https://sterlandsupport.atlassian.net/wiki/pages/createpage.action?spaceKey=DPUG&title=System%20Administration%20User%20Guide). | | **IF THIS FAQ DOESN’T RESOLVE YOUR**** ISSUE:** | Contact [Sterland Support](https://sterlandsupport.atlassian.net/wiki/pages/createpage.action?spaceKey=CS&title=Sterland%20Support). |