shall be deemed to have met the requirements of subdivisions (a)(1)-(3). Such person shall be issued a certificate of licensure when renewal is due under the established renewal cycle upon applying for and meeting all requirements for renewal. The commissioner shall assign the registration number of the registration certificate as the certificate of licensure number. Any person holding an active certificate as a registered soil scientist or licensed professional soil scientist prior to July 1, 2011, who does not renew such certificate when renewal is due shall be required to apply for licensure under this part and meet all requirements of subsection (a) except that a reasonable period of time shall be accorded by the commissioner for late renewals.