Addendum

A change to tender documents issued after the tender opens, such as a new deadline, answers to questions or revised requirements. Bidders are often asked to confirm they have read every addendum.

Also called: Amendment, Modification

Related terms

Clarification question

A question a bidder sends the buyer while a tender is open. Answers are usually shared with every bidder, without saying who asked.

Closing date

The date and time by which bids must arrive. Late bids are almost always rejected, even by a minute, so most firms submit a day early.