396. Where a person who is entitled to a rebate under section 386 is engaged in one or more activities in separate branches or divisions and is authorized under section 475 to file separate returns under Chapter VIII in relation to a branch or division,(1) the person shall file separate applications under section 387 in respect of the branch or division; and
(2) the branch or division shall not make more than one application for rebates under section 387 for any claim period of the person.