Residential-R105.5 or Commercial 105.5 Expiration. Every permit issued by the building official under the provisions of this chapter shall expire by limitation and become null and void if the building or work authorized by such permit is not
commenced within one calendar year from the date of issuance of such permit, or if the building or work authorized by such permit is suspended or abandoned at any time after the work is commenced for a period of 180 calendar days.

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