Doc 9303, Part 4 defines specifications that are specific to TD3 size Machine Readable Passports (MRPs) and other TD3 size Machine Readable Travel Documents (MRTDs). For brevity the term MRP has been used throughout this document and, except where stated, all the specifications herein shall apply equally to all other TD3 size MRTDs. This document shall be read in conjunction with:

• Part 1 — Introduction;

• Part 2 — Specifications for the Security of the Design, Manufacture and Issuance of MRTDs;

• Part 3 — Specifications Common to all MRTDs.

Together these specifications provide for global data interchange of MRTDs both by visual (eye readable) and machine readable (optical character recognition) means.

Additional specifications providing for global data interchange of electronic data in eMRPs and eMROTDs can be found in Doc 9303, Parts 9 through 12.