How to write the certificate that the owner's house is flooded and the property is exempt from property fees for three years?

The general format is as follows, and the specific situation should be adjusted appropriately.

certificate

This is to certify that several units and rooms of the residential building were flooded due to water pipe burst (or other reasons), so the property promised to exempt the owner from the property fee for three years from a certain month to a certain month as compensation.

Prover: (Property Seal)

date month year