. the lease was effective as of september 14 , 2012 , but because the leased premises are to-be-built , the company will not be obligated to pay rent until the later of ( i ) three months following the date that the leased premises are delivered to ansys , which delivery , subject to certain limited exceptions , shall occur no later than october 1 , 2014 , or ( ii ) january 1 , 2015 ( such later date , the 201ccommencement date 201d )