Patents, Designs and Trade Marks. [Ch. 31. No. 18. equivalent to the provision to be made by or under this section has been or will be made under the law of that country, make rules empowering the Registrar to extend the time for making application under section 64 of this Ordinance for the granting, in priority to other applicants, of a patent for an invention, or for the registration, in priority to other applicants, of a design, in any case where the period specified in subsection (2) of the said section 64 for the making of an application under the said section -xpires during a period prescribed by the rules. (2) Rules made under this section-— (a) may, where any agreement or arrangement has been made between His Majesty’s government in the United Kingdom and the government of the Convention country for the supply or mutual exchange of informa- tion or articles, provide, cither generally or in any class of case specified in the rules, that an extension of time shall not be granted under this section unless the invention or design has been communicated in accordance with the agreement or arrangement ; (6) may, either .generally or in any class of case specified in the rules, fix the maximum extension which may be granted under this section and provide for reducing the term of any patent granted on an application made by virtue of this section, and (not- withstanding anything contained in rules made under this Ordinance) vary the times for the payment of renewal fees in respect of such a patent and the amount of such fees; (c) may prescribe or allow any special procedure in connection with applications made by virtue of this section ; (d) may empower the Registrar, as respects any application made by virtue of this section, to substitute for the period of twelve months specified in subsection (6) of the said section 64 such other period as appears to him expedient ; (e) may empower the Registrar to extend, subject to such conditions, if any, as may be imposed by or under the rules, the time limited by or under the T.—Iv. 61 961