Special Provisions as to certain Works. 129
lations may, if the Board think fit, include regu- § 19(6). lations requiring payment in advance or otherwise securing the payment of royalties.
(7) In the case of musical works published before the commencement of this Act, the fore- going provisions shall have effect, subject to the following modifications and additions : —
(a) The conditions as to the previous making
by, or with the consent or acquiescence of, the owner of the copyright in the work, and the restrictions as to altera- tions in, or omissions from the work, shall not apply :
(b) The rate of two and one-half per cent.
shall be substituted for the rate of five per cent, as the rate at which royalties are to be calculated, but no royalties shall be payable in respect of contri- vances sold before the first day of July, nineteen hundred and thirteen, if con- trivances reproducing the same work had been lawfully made, or placed on sale, within the parts of His Majesty's dominions to which this Act extends before the first day of July, nineteen hundred and ten :
(c) Notwithstanding any assignment made
before the passing of this Act of the copyright in a musical work, any rights conferred by this Act (z) in respect of
{z) Sect. 1 (2) (a).
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