(a) Following delivery to the applicant or employee of the interrogatory and after expiration of the time limit for filing an answer to the interrogatory, the Board shall proceed to consider the case on the complete file, including the answer, if any, to the interrogatory.

(b) If, upon such consideration, the Board concludes that a finding favorable to the individual may be made, no hearing shall be required.

(c) If, upon such consideration, the Board concludes that a determination favorable to the individual cannot be made on the basis of the information in the file, it shall set a time and place for a hearing and shall give notice thereof to the individual.