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Whenever che specification or drnwings of i Amenduent Unted Kingdom pateut registered in the Federation tion at has or have heen amended by way of diselaimer. cor- dewings. rection or explanation, accorling to the law of the United Kingdom, i reguest, accompanied by a copy of the specification and drawings (if'any) as itmended. t-t-=-- No. 9 oF 1951. duly certified by the Comptroller-Cieneral of Patents Designs and Prade Marks of the United Kingdom, may he made to the kegistrar ot Patents to substitute a copy oi the specification and drawings as amended, for die specification and dravings originally filed: Provided that, in any casc in which the require- ments of section ‡ af this Ordinance have been waiveu under the proviso to that section, any such substitution lamfully eliected in the Colony by the Registrar of Patents, Singapore, shall hare effect in the Federa- tion as if it had been effeeted by the Registrar of Patents under this Ordinance. Registratioa