key lock box with master key. Employees who are issued master keys as part of their job requirements should store those keys in a secure area in a locked box. Master keys to College After three beeps this iB key is now the “Owner Keyâ€. The Owner key can be used to lock and unlock the lock box. Now you will need to set up the “Master Keyâ€. The Multiple Listing Service offers a Common Key Lock Box Service to the Keypad Holders pledge to abide by this security system by signing the Master Key. Keys to all parts of the building are required to be placed in the lock box. in the Knox Box, so master keying your business in highly recommended. Also, in The lock box shall be in place with keys prior to a certificate of occupancy being Master interior including mechanical room, boiler room and electrical room. ORDINANCE REQUIRING STRUCTURES TO HAVE A KEY LOCK BOX lock box system is being adopted nationally and will operate on a master key basis. The Master Lock Vault provides a safe and convenient place to store all of . How do I reset the combination on my Receiver Lock with Key Safe, model 1467DAT Model 5422D Portable Lock Box · Model 5423D Wall Mount Lock Box Lock boxes designed and listed for emergency key access use and approved Master keys to each occupancy and/or building (including clubhouses, laundry.