On the Transactions tab, find the next rental payment in the Upcoming section and click Apply Credit

Add the amount and a reason you are giving the tenant this credit then press Save

The rental period has now been reduced by the credited amount and you can click on it to see why. The owner will also see the credit reason on their next statement.

If you need to apply further credits you can repeat the above process. IUf you need to remove a credit, you can click Remove Credit.

Remember, you cannot remove a credit after the payment has been completed. If you need the tenant to repay an incorrect credit, you can increase their next rental payment by clicking Adjust Rent on the Lease tab, or you can create a bill for them to pay the amount back to your owner.