Section 20

If a member of the Council, or of any committee thereof is directly or indirectly interested in any contract, proposed contract, or other matter and is present at a meeting of the Council or of any committee thereof, at which the contract or other matter is the subject of consideration, such member shall, at the meeting or as soon as practicable after the commencement thereof, disclose the fact, and shall not thereafter be present during the consideration or discussion of and shall not vote on any question with respect to that contract or other matter.

Execution of documents.