The building officer shall examine the plans, specifications and other data submitted with the application for erection permit, and the premises upon which it is proposed to erect the sign, and shall issue an erection permit only if the proposed structure is in compliance with all the requirements of this chapter, all other applicable provisions of this code and the permit fee has been paid. If the work authorized under an erection permit has not been completed within six (6) months after date of issuance, the said permit shall become null and void. (Ord. 93-485, 7-13-1993)