What is The Encumbrance Accrual and How will be impact on accounting for Purchases, Invoices and pa

Dear All,

Subledger accounting method we have Encumbrance Accrual method , If i take this method how will  genarating accounting entries for P2P Cycle and how will be the accounting for invoices which we record with out Purchases Orders (Expenses) ??

What is the diffarance between Standard Accrual and Encumbrance Accrual ??

Please refer any documents which can be understand incase of Encumbrance Accrual method.

Thanks & Regards,

Prakas