Yes. You are required to notify the issuing authority within two business days. Failure to do so can result in a felony prosecution and conviction, $500 fine, three years imprisonment, and forfeiture of any pistols or revolvers in your possession. The notification shall include the old address and new address.
You may contact SLFU at (860) 685-8290 to update your address. A change of address may also be filed via E-mail at Special Licensing and Firearms Unit or by mailing a letter to: Department of Emergency Services and Public Protection, Division of State Police, Special Licensing and Firearms Unit, 1111 Country Club Road, Middletown, CT, 06457. Include your name, permit number, old address and new address.