BRITISH COPYRIGHT ACT, 191 1 531
(c) in the case of contrivances sold within two years after the commencement of this Act by the person making the same, be two and one-half per cent.; and (&) in the case of contrivances sold as aforesaid after the expiration of that period, five per cent, on the ordinary retail selling price of the contrivance cal- culated in the prescribed manner, so however that the roy- alty payable in respect of a contrivance shall, in no case, be less than a halfpenny for each separate musical work in which copyright subsists reproduced thereon, and, where the royalty calculated as aforesaid includes a fraction of a farthing, such fraction shall be reckoned as a farthing:
Provided that, if, at any time after the expiration of seven years from the commencement of this Act, it appears to the Board of Trade that such rate as aforesaid is no longer equitable, the Board of Trade may, after holding a public inquiry, make an order either decreasing or increasing that rate to such extent as under the circumstances may seem just, but any order so made shall be provisional only and shall not have any effect unless and until confirmed by Parliament; but, where an order revising the rate has been so made and confirmed, no further revision shall be made before the expiration of fourteen years from the date of the last revision.
(4) If any such contrivance is made reproducing two or more different works in which copyright subsists and the owners of the copyright therein are different persons, the sums payable by way of royalties under this section shall be apportioned amongst the several owners of the copy- right in such proportions as, failing agreement, may be determined by arbitration.
(5) When any such contrivances by means of which a musical work may be mechanically performed have been made, then, for the purposes of this section, the owner of the copyright in the work shall, in relation to any person who makes the prescribed inquiries, be deemed to have given his consent to the making of such contrivances if he fails to reply to such inquiries within the prescribed time.