Paid jury service
If you are paid by your employer during your jury service, then you are building up your normal pension benefits, so there is no action to take.
Unpaid jury service
If you aren’t paid by your employer during your jury service, then this is treated just like any type of authorised unpaid leave. This means you lose some pension during this time, but can catch up on that lost pension by paying additional pension contributions (APCs).
See the links below for more about how this works, and important time limits.