38.—(1) Subject to this Act and in accordance with any relevant regulations, every question arising—

F82[(a) as to who is the employer of an employee,

F83[(b) in relation to the payment from the Social Insurance Fund of—

(i) rebates to employers under section 29,

(ii) lump sums to employees under section 32, or

(iii) payments to employees under section 32A(6) in respect of certain lay-off periods during the period referred to in section 32A(1)(c),

or]

(c) on such other matters arising under this Act as are prescribed,]

shall be decided by a deciding officer.

(2) A reference in this section to a question arising in relation to a claim for a weekly payment includes a reference to a question whether a weekly payment is or is not payable.