'It is a number assigned to each transaction by the stock exchange and is printed on the contract note'

Which of the following is being referred to here?

Unique Order Code

The correct answer is option 2- Unique Order Code.

Unique Order Code is a number assigned to each transaction by the stock exchange and is printed on the contract note.

After the trade has been executed on a stock exchange,, within 24 hours the broker issues a Contract Note. This note contains details of the number of shares bought or sold, the price, the date and time of deal, and the brokerage charges. This is an important document as it is legally enforceable and helps to settle disputes/claims between the investor and the broker. A Unique Order Code number is assigned to each transaction by the stock exchange and is printed on the contract note.