This Recommendation | International Standard provides definitions for JPEG application specific markers (APPn) found in Rec. ITU-T T.81 | ISO/IEC 10918-1 and Rec. ITU-T T.84 | ISO/IEC 10918-3. This 2nd edition integrates the provisions of Amendment 1 of ITU-T T.86 (2012) | ISO/IEC 10918-4 (2013) and cancels the provisions concerning the registration authority processes originally defined in the 1st edition. ITU-T T.86 is a common text with ISO/IEC 10918-4.