What do you mean in duplicate?

Prepare two copies of a document. Generally speaking, when signing a contract, it is generally agreed that the contract is in duplicate, and each party holds one copy.

Some will also have such requirements in the bidding process: in duplicate or in triplicate. In other words, the same document can be provided in two copies, the same document can be provided in three copies, and so on.

Extended data

Original and copy of the contract:

The original contract is the symmetry of the copy contract. Refers to the text of a formal agreement concluded by the parties according to law. It clearly stipulates the rights and obligations of the parties, and is the basis for the parties to perform the contract and bear the legal responsibilities of the contract. The original of an economic contract generally includes the subject matter, quantity and quality, price and remuneration, time, place and method of performance, liability for breach of contract, etc.

The original economic contract is usually in multiple copies, and each party holds one copy. According to China's current provisional stamp duty regulations, the original economic contract should be stamped according to the contract amount.

Baidu Encyclopedia-Original Contract

Baidu Encyclopedia-Copy of Contract