The registration must be made within 48 hours of:if the gun offender receives a sentence that does not include imprisonment, the date that the sentence is imposed; if the gun offender receives a sentence that includes imprisonment, the date of the gun offender’s release from a correctional facility; if the gun offender is granted probation before judgment, the date that the probation before judgment is granted; if the gun offender is found not criminally responsible and is released, the date of the gun offender’s release; or if the gun offender is found not criminally responsible and committed to the State Department of Health and Mental Hygiene, the date of the gun offender’s discharge or conditional release from that commitment. To register, a gun offender must personally appear at an office designated by the Police Commissioner. Ord. 07-506 Ord. 09-168