List and define the assertions about of transactions and events for the period under audit

Occurrence: Transactions and events that have been recorded have occurred and pertain to the entity (sometimes referred to as validity):

• Completeness: All transactions and events that should have been recorded.
• Authorization: All transactions and events have been properly authorized.
• Accuracy: Amounts and other data relating to recorded transactions and events have been recorded appropriately.
• Cutoff: Transactions and events have been recorded in the correct accounting period.
• Classification: Transactions and events have been recorded in the proper accounts.