Salary payments. An annual salary is an agreement about the amount of pay for work over a 12 month period. They are often included in employment contracts. An employer and employee can agree that an annual salary covers entitlements like: 1  minimum weekly wages. 2  penalties. 3  overtime. 4  allowances. 5  annual leave loading.n annual salary is an agreement about the amount of pay for work over a 12 month period. They are often included in employment contracts.