(a) The applicant was not eligible for the credential authorizing the service performed during the period for which the validation of service is sought.

(b) The applicant was not eligible for the specific type and term of the credential he or she has been issued as specified in section 80601(a)(2).

(c) The applicant was only eligible for an emergency permit as specified in Sections 80023, 80025, and 80027, or a waiver document as specified in Section 80121 that would authorize the service performed during the period the service was rendered.

(d) The applicant did not meet the academic requirements for renewal of the required credential and only may have qualified to remain in the position based on an appeal per Title 5, Section 80523 to extend the valid date of the credential, an emergency permit as specified in Sections 80023, 80025, and 80027, or a waiver document as specified in Section 80121.

(e) The service was rendered prior to the date the applicant made application to the Commission for his or her initial California credential which authorizes service.

(f) The period of service requested to be validated exceeded six months unless the employing agency verifies and submits documentation of compelling circumstances why the request is for more than a six month period. Such circumstances as clerical oversight or failure on the part of the applicant to submit an application including verification of completion of requirements to the Commission or the employing agency will not be accepted.

(g) The validation of service request is received by the Commission more than six months after the last date of the period requiring validation.