(1) An application to the Secretary to pay out an amount of money in respect of a lease may be made-(a) jointly by the lessor and the lessee, or(b) by the lessor alone, or(c) by the lessee alone.
(2) An application is to be in or to the effect of the approved form and may be made at any time.
(3) An application by the lessor alone and an application by the lessee alone may, at the discretion of the Secretary, be treated as having been made jointly by the lessor and the lessee, if the applications are substantially the same.