To change the rent period of a transaction:
Navigate to Lettings properties > Property Balances
Select the value in the Tenant arrears column against the relevant property to access the Tenant ledger
Locate the relevant line and select the pencil icon in the Action column
Select the dropdown Rent period assigned to and choose the correct date (see below)
Select Submit
The line will now show against the relevant rent due date on the tenant ledger. The newly selected rent period will also be displayed against the transaction on any new statements generated for the landlord.