Arizona Department of Public Safety - AZ DPS - Shoulder Patch Duty Shoulder Patch. Available with VELCRO for an additional charge. NOTE: Must Be Authorized to purchase NYPD Vest. This means you are CURRENTLY CERTIFIED OFFICER with ID CREDENTIALS. If new customer, please fax or email a copy of your credentials PRIOR to Ordering. Thanks. NOTE:::::::::NO REFUNDS::: PLEASE DO NOT ATTEMPT TO PURCHASE IF NOT AUTHORIZED TO DO SO. NO REFUNDS IF NOT AUTHORIZED TO PURCHASE AND YOU ATTEMPT TO PURCHASE ANYWAYS!