Regulation  51—International Application for Patent Filing.(1) The Patent Co-operation Treaty, the Regulations and Administrative Instructions under that Treaty shall apply in accordance with section 24(2) of the Law.(2) Where the Registrar's Office is the competent receiving Office under the Patent Co-operation Treaty, an international application shall be filed with it, in english, in triplicate and the transmittal fee specified in Schedule 1 shall be paid within one month from the first filing date.(3)  Where less than three copies of the international application are so filed, upon preparation by the Registrar of the number of copies required to bring the total to three, the applicant shall, on demand pay to the Registrar the appropriate charge.(4)  In respect of the functions as a receiving office under sub-regulation (2), the Registrar's Office may agree, pursuant to Rule 17 (1) (b) of the Regulations under the Treaty, that another office or intergovernmental organization acts as receiving Office instead of the Registrar's Office.(5) Where the Registrar's Office is the designated or elected office under the Patent Co-operation Treaty, a translation into english of any international application published in a language other than english shall be furnished within the time limit applicable under Article 22 (1) or 39 (1) (a) of the Treaty.