N.Y.C. Charter § 35: Section 35. Ayes and noes.

a. On the final passage of a local law or resolution the question shall be taken by ayes and noes, which shall be entered in the journal of proceedings. No such vote may be cast except by a council member who is present and who casts his or her own vote in the manner prescribed by the rules of the council.

b. All committee votes on proposed local laws or resolutions shall be taken by ayes and noes, which shall be entered in a committee report a copy of which shall be filed with the clerk or other official specified by the council rules for this purpose and which shall be available for public inspection. No such vote may be cast except by a member of the committee who is present at the meeting at which the vote is taken.