What’s the implication of changing the accrual setting from at receipt to at period end?

When you change the accrual setting from accrue at receipt to accrue at period end, for all new purchase orders the new setting will be used as the default at the line or schedule level.

Any receipts created for these purchase orders won’t be accrued during receipt. After you run the Create Uninvoiced Receipt Accruals process at period end, receipts for these purchase orders will be accrued. However, this won’t change anything on the existing open purchase orders or receipts.