3 3.—(1) The nature and amount of fees is laid down in Annex I1 to this Decree (hereinafter referred to as “Annex I”). They may be amended by joint order of the Minister responsible for industry and the Minister responsible for finance. (2) Where it is required that a fee be paid within a given period of time and the due date falls on a Sunday, a public holiday or a non-working day, the following working day shall be deemed the due date. (3) In addition to the fees referred to in paragraph (1), above, the Office may, as necessary, institute, amend and levy any fees relating to full or part copies and publications with respect to the various industrial property titles issued by the Office. (4) The fees referred to in paragraphs (1) to (3), above, shall be payable to the Office. 4. The model forms provided for by this Decree are contained in Annex II2 (hereinafter referred to as “Annex II”). Copies thereof may be obtained from the Office. 5.—(1) The functions of industrial property agent or representative, within the meaning of Article 132 of the Ordinance, may be exercised by industrial property consultants or other natural or legal persons capable of exercising such functions. (2) In order to exercise the functions of industrial property agent or representative, industrial property consultants or other natural or legal persons capable of exercising those functions shall be required to submit a request for approval by the Office and entry in a special register. The conditions for approval of industrial property agents or representatives shall be laid down by an order issued by the Minister responsible for industry. 6. If the filing of an application for an industrial property title or any operation concerning such application or such title is carried out by an agent or representative, powers set out in due form and in accordance with the prescribed form shall be submitted to the Office. 7.—(1) In applications for an industrial property title, the names of natural persons shall be constituted by their surnames and their forename or forenames, whereby the surname shall precede the forename or forenames. The names of legal persons shall be constituted by their official and full business name. (2) Addresses shall be given in such a way that the normal conditions of postal delivery may be satisfied; they shall contain all the necessary administrative data, including all street numbers; addresses shall also contain the telephone numbers together with, where appropriate, the teleprinter and facsimile transmission numbers. (3) Nationality shall be stated by giving the name of the State of which the person is a national; legal persons shall give the name of the State under whose laws they are constituted and in which they have their registered offices. (4) The place of residence shall be stated by giving the name of the State of which the person is a resident. 8. A document may be signed for or on behalf of a legal person or an association by a single duly authorized person who shall be required to provide proof of his powers to sign alone. 9.—(1) The Office shall keep the following registers: (a) Register of Patents and Inventors’ Certificates; (b) Register of Trademarks;