How to Lock An Accounting Period and Prevent Posting Transactions Before a Specific Date

Overview

Once an accounting period has been finalized and reconciled, it is good practice to prevent changes to existing transactions or entering new backdated transactions to avoid introducing mistakes or unauthorized accounting entries. In Rapid ERP, this is accomplished by setting a Posting Date Minimum.

Specifics

Once an accounting period has been finalized, it can be locked by navigating to Company menu, then selecting My company and switching to the Advanced Defaults tab in it. Near the bottom of the options in Advanced Default is Posting Date Minimum:

In the screenshot above, users would not be able to post an accounting transaction (new invoice or changes to an existing invoice, payment, credit memo, debit memo) with a date earlier that 09/03/2025.

Here is an example of the error message displayed when trying to enter a transaction (credit memo) dated within a locked period: