"We hereby notify you that the welding works under Contract No. 1 dated 02.02.2024 have been completed. Please proceed with the inspection and signing of the attached Certificate of Completion by [Date]."

Clear statement of the specific works completed and the site location.

Full details of both parties (names, addresses, OGRN, INN). Reference: Date and number of the original contract.

Образец гарантийного письма о выполнении работ - Amulex