Rule 20

1. [Model International Forms] The Assembly shall, under Article 14(1)c), establish Model International Forms, in each of the languages referred to in Article 25(1), in respect of:
(i) a power of attorney;
(ii) a request for recordation of change in name or address;
(iii) a request for recordation of change in applicant or owner;
(iv) a certificate of transfer;
(v) a request for recordation, or cancellation of recordation, of a license;
(vi) a request for recordation, or cancellation of recordation, of a security interest;
(vii) a request for correction of a mistake.

2. [Modifications Referred to in Rule 3(2)(i)] The Assembly shall establish the modifications of the Patent Cooperation Treaty request Form referred to in Rule 3(2)(i).

3. [Proposals by the International Bureau] The International Bureau shall present proposals to the Assembly concerning:
(i) the establishment of Model International Forms referred to in paragraph 1;
(ii) the modifications of the Patent Cooperation Treaty request Form referred to in paragraph 2.