Subledger Accounting to General Ledger

So if you are looking at IFRS and you have a transaction in a subledger like Payables - it could be a case or scenario where that would need to be accounted one way in the GAAP ledger and another way in the IFRS ledger.  So if I had GAAP as my primary ledger and IFRS as my secondary ledger then it should be fine to have a SLA rule that handles the accounting one way for the GAAP ledger and a different way for the secondary ledger IFRS.  Is that a correct assumption?    What is the recommended approach for