4. If the compensating authority accept the claim, then, unless they are satisfied that the claimant has substantially made good his loss by virtue of having obtained other employment, they shall forthwith commence to make interim payments of compensation to the claimant subject to and in accordance with the provisions of the next succeeding paragraph, and shall continue to make such payments until, in accordance with paragraph 6 of this schedule, they decide whether any further compensation is payable to him under these regulations.