The Commissioner must:review each application for a permit within 3 days of its submission; and on a reasonable showing that the amplifying equipment will not be used to produce loud and raucous sounds, promptly issue the permit to the applicant. Except as needed to verify the noncommercial nature of any proposed speech, the Commissioner may not inquire into the content of the speech sought to be amplified. The Commissioner may not charge a fee for the permit. Each permit:is valid for 60 days; and may be renewed an indefinite number of times. City Code, 1976/83, art. 19, §§ 229(a)(2nd sen.), (b)(2nd sen.), (c), (d), 230(a)(1st sen.) Ord. 99-548