---
kind: "section"
citation: "37 C.F.R. § 1.433"
title: "37"
number: "1.433"
heading: "Physical requirements of international application."
url: "https://uscodex.org/cfr/37/1.433"
---

# §1.433. Physical requirements of international application.

- (a) The international application and each of the documents that may be referred to in the check list of the Request (PCT [Rule 3.3(a)(ii)](/cfr/37/3.3.md?p=a-ii)) shall be filed in one copy only.
- (b) All sheets of the international application must be on A4 size paper (21.0 × 29.7 cm.).
- (c) Other physical requirements for international applications are set forth in PCT [Rule 11](/cfr/37/11.md) and [sections 201-207](/cfr/37/201-207.md) of the Administrative Instructions.

## Notes

### Authority

Authority: Secs. 1.401 to 1.499 also issued under 35 U.S.C. 41 and 351 through 376.

### Source

Source: 43 FR 20466, May 11, 1978, unless otherwise noted.

### Authority

Authority: 35 U.S.C. 2(b)(2), unless otherwise noted.

### Source

Source: 24 FR 10332, Dec. 22, 1959, unless otherwise noted.