You can choose between three cost plans; Lower, Standard and Higher. They have different contribution rates and build up benefits at different rates, as per the below table.
|Contribution Rate||Accrual Rate|
Current members can change their cost plan from any 1 April by sending Change of cost plan form APP6 (pdf) to the Pensions Office before 31 March. You can see how the changes in cost plan rates will affect your pay using the OSPS Cost Plan Modeller (xlsx).