Money shall be paid out only on warrants on the City Treasury issued by the Auditor and countersigned by the City Manager, the Mayor and a member of the City Council to be designated from time to time by said City Council.
The Auditor shall examine all payrolls, bills and other claims and demands against the City, and shall issue no warrant for payment until he finds that the claim is in proper form, correctly computed, duly certified and legally due and payable.
The Auditor may require and claimant to make oath to the validity of his claim, may investigate any claim, and for such purpose or purposes may examine witnesses under oath.
| 
