N.Y.C. Admin. Code § 20-262: § 20-262 Failure to display pedicab registration or pedicab driver's license.

a. In any civil, criminal or administrative action or proceeding, the failure to display the registration plate on the pedicab on which it is required to be displayed as provided in section 20-255 of this subchapter shall be presumptive evidence that such pedicab has not been inspected and is not duly registered as required by this subchapter.

b. In any civil, criminal or administrative action or proceeding, the failure by a pedicab driver who is required to be licensed pursuant to the provisions of this subchapter to display or to exhibit on demand such pedicab driver's license in accordance with the provisions of this subchapter to any officer or employee authorized to enforce the provisions of this subchapter, shall be presumptive evidence that such pedicab driver is not duly licensed.