(1) An application for grant of an enrolment certificate under Section 9-B shall be made in Form 6-A in duplicate to the Registering Authority and the enrolment certificate shall be in Form 7-A.

(2) The enrolment certificate issued to a builder who being liable to pay tax under section 9, obtains registration certificate under section 17, shall cease to be in force from the date of validity of the registration certificate.