Русско-англо-русский юридический словарь

A schedule generally refers to materials that could be in the main contract but are instead moved to the end (usually due to their length) in an effort to achieve clarity and brevity in the main contract. For this reason, schedules are often considered to be part of the main contract and are sometimes required to be separately signed by both parties. (translegal.com)

"third party beneficiary contract: a contract that allows a party to whom the parties in a main contract intend to receive a benefit to enforce a duty created by the main ()

the remaining 5% upon the expiration of the Defects Liability Period [i.e. 12 months from the issuance of the Substantial Completion Certificate] for the whole of the Main Contract provided the Architect has certified [the “Defects Rectification Certificate”] that all defects have been made good (“the Final Payment”).” (Schindler Lifts (Hong Kong) Ltd v Sui Chong Construction And Engineering Co Ltd)

Defects Rectification Certificate means a certificate issued by the Contract Administrator signifying the completion to his satisfaction of rectification of all defects notified by him to be rectified in such works section of the Main Contract which includes a Sub-Contract Works Section. (LawInsider)