In cases where an applicant for a license accompanies his application therefor with an application for a preliminary permit under section 617 of the Conservation Law and it is made to appear that he is not possessed of sufficient data or information to enable him to comply with the foregoing subdivision (a), (b), (c) or (d) of section 600.6, and that he desires a preliminary permit to enable him to secure and furnish to the commission the data required by said rules to be furnished, compliance by him with the requirements of the said rules will, in the event that a preliminary permit is granted by the commission, be deferred until the expiration of the term of the preliminary permit, unless otherwise directed by the commission.