(a) The executive director must receive an environmental testing laboratory's application to renew the laboratory's accreditation along with the applicable fees no later than the date on which the accreditation expires.(b) The operator of an environmental testing laboratory that fails to submit an application to renew accreditation before the date on which the accreditation expires must apply for and meet all requirements for a new accreditation, including an environmental testing laboratory assessment.(c) Modifications made during the term of an accreditation to increase the number of an environmental testing laboratory's fields of accreditation shall be renewed on the accreditation renewal date, regardless of the date of the modification.