15. Amendments to specifications. - (1) When a provisional or complete specification or any drawing accompanying it has been received by the applicant or his agent for amendment the necessary alterations shall be made thereon as far as possible Additional matter may be interpolated if necessary, by rewriting such pages as are required to form a continuous document. Amendments shall not be made by slips pasted on, or as footnotes or by writing in the margin of any of the said documents.
(2) The amended documents shall be returned to the Controller together with the superseded pages or drawings, if any, duly marked cancelled and initialed by the applicant or his agent. Copies of any pages that have been retyped or added and of any drawing that has been added or substantially amended shall be sent in triplicate. Amendments alterations or additions shall be initialed in the margin by the applicant or his agent.
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