For additional security, the Columbia Square keying system is based on a restricted keyway. Additional keys can be obtained only from the Hines Property Management Office for a nominal fee. All such keys shall remain the property of Columbia Square.

Requests for additional locks and for lock changes are to be addressed to the Hines Property Management Office. Upon termination of the lease agreement, the tenant shall surrender to the Hines Property Management Office all keys furnished to the tenant as well as the combination of all locks for safes, safe cabinets, and vault doors, if any are left in the leased premises.

NO ADDITIONAL LOCKS ARE TO BE INSTALLED WITHOUT THE PRIOR WRITTEN CONSENT OF THE PROPERTY MANAGER.