MPEP § 1812
Any international application must contain the following elements: request, description, claim or claims, abstract and one or more drawings (where drawings are necessary for the understanding of the invention ( PCT Article 3(2) and PCT Article 7(2) ). The elements of the international application are to be arranged in the following order: the request, the description (other than any sequence listing part thereof), the claims, the abstract, the drawings, and the sequence listing part of the description (where applicable) ( Administrative Instructions Section 207 (a) ). All the sheets contained in the international application must be numbered in consecutive Arabic numerals by using the following separate series of numbers: a first series applying to the request; a second series to the description, claims and abstract; a third series to the drawings (where applicable); and a further series to the sequence listing part of the description (where applicable) ( PCT Rule 11.7 and Administrative Instructions Section 207 (b) ). Only one copy of the international application need be filed in the United States Receiving Office ( 37 CFR 1.433(a) ). The request is made on a standardized form (Form PCT/RO/101), copies of which can be obtained from the USPTO or online from WIPO’s web site (www.wipo.int/pct/en/index.html). The "Request" form can also be presented as a computer printout prepared using the PCT-SAFE software. This software can be downloaded from the PCT-SAFE web site (www.wipo.int/pct-safe). The details of a computer generated Request form are provided in Administrative Instructions Section 102 bis.