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

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

(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,

(d) [deleted]

(e) [deleted]

(f) [deleted]

shall be decided by a deciding officer.