645—141.3 (155) Examination requirements. The following criteria shall apply to the written examination:
	  1. 	 In order to be eligible to take the written examination, the supporting data and documentation required by the board are completed and on file at the board office.
	  2. 	 The supporting data and documentation must be received at least 30 days prior to the date the applicant desires board eligibility determination for the examination.
	  3. 	 Notification shall be sent by the board office to the examination service of an applicant’s eligibility for the examination.
	  4. 	 Each applicant who fails the national examination may apply to the board for reexamination. The applicant shall not take the national examination more than three times. If the applicant fails a third national examination, education in areas established by the board must be obtained before another examination will be allowed or a license is issued.