There would be no "connection" between the "GL52" and the subledgers. The approach would be to "process" GL Transaction based on the transaction date ( they would need to be accurate ) and assign them to the appropriate Fiscal Year/Fiscal Period in a "custom" GL52 database.

Our data structure and design provides for a Y/E Period (53rd) but it is always present.

We would not be able to accommodate a occasional 53rd period.