The accounting procedure involves a series of steps that begins with recording a transaction and ends with closing the books. It includes (1) identifying the transaction, (2) preparing source documents, (3) analyzing and classifying the transaction, (4) recording the transaction in journals, (5) posting to ledger accounts, (6) preparing an trial balance to check for errors, (7) making adjustments and preparing financial statements, (8) making closing entries to clear temporary accounts, and (9) preparing an after-closing trial balance. The goal is to record all financial activities accurately and produce reliable financial statements.