A gun offender shall register with the Chief of Police within 48 hours of: the date that the sentence is imposed, if the gun offender receives a sentence that does not include imprisonment; the date of the gun offender's release from a correctional facility, if the gun offender receives a sentence that includes imprisonment; the date that the probation before judgment is granted, if the gun offender is granted probation before judgment; the date of the gun offender's release, if the gun offender is found not criminally responsible and is released; or the date of the gun offender's discharge or conditional release from commitment to the Maryland Department of Health and Mental Hygiene, if the gun offender is found not criminally responsible and committed. The gun offender shall register by personally appearing at an office designated by the Chief of Police to sign and date a statement under oath, verified by whatever documentation may be required by the Chief of Police, which provides the following information: the gun offender's name; a description of the crime for which the gun offender was convicted; the date that the gun offender was convicted; any other name by which the gun offender has been legally known; a list of all aliases that the gun offender has used; identifying factors of the gun offender, including a physical description; the gun offender's residence or all known addresses where the gun offender resides to include telephone numbers and email addresses; and the gun offender's place of employment. During the period in which a gun offender is required to register under this Section, the gun offender shall comply with the following: within twenty (20) calendar days after each six (6) month anniversary of a gun offender's initial registration, the gun offender shall personally appear at the office designated by the Chief of Police to verify and update, as appropriate, the contents of the registration. If the gun offender is confined to any correctional facility, hospital, or institution throughout the twenty (20) day period, the gun offender shall personally appear at an office designated by the Chief of Police, within 48 hours of release, to verify and update, as appropriate, the contents of the registration. within ten (10) calendar days after establishing or changing a residence or employment, a gun offender shall personally appear at an office designated by the Chief of Police or subject to arrangements designated in the rules and regulations to update the contents of the registration. The Chief of Police shall photograph the gun offender and require the gun offender to provide such documentation as the Chief considers acceptable to verify the information provided in Subsection (b). Notwithstanding termination of parole or probation, the gun offender shall verify the contents of the registration form for a period of three (3) years from the date of the gun offender's initial registration. Notwithstanding termination of parole or probation, if the gun offender violated Section 4-204 (Use of handgun or antique firearm in commission of crime) of the Annotated Code of Maryland, Criminal Law Article, the gun offender shall verify the contents of the registration form for a period of five (5) years from the date of the gun offender's initial registration. The Chief of Police may make the information collected under this Section available to any federal, state, or local law enforcement agency. The Chief of Police shall promulgate rules and regulations, subject to County Council approval by resolution, which shall govern the implementation and administration of this Section.