ISO/IEC JTC1/SC34/WG2 has the following plan (SC34 N0076) for the AM3 to ISO/IEC 9541-1 and AM1 to ISO/IEC 9541-2:

  Committee and WG                     Target & Actual Dates
  Project #                            NP      PDAM     DAM     AM
  ISO Designation
  Document N #
  Title
  Project Editor

  SC 34 / WG 02                        0.00    99.04   99.11  00.05
  27.01.03.00.00                       0.00    99.04    0.00   0.00
  ISO/IEC 9541-1 : 1991/AM 3
  Information Technology - Font
  Information Interchange - Part
  1:  Architecture - Amendment
  3:  Multilingual extensions to
  font resource architecture
  Dr. Yushi Komachi
  
  SC 34 / WG 02                        0.00    99.04   99.11  00.05
  27.02.01.00.00                       0.00    99.04    0.00   0.00
  ISO/IEC 9541-2 : 1991/AM 1
  Information Technology - Font
  Information Interchange - Part
  2:  Interchange Format -
  Amendment 1:  Support for
  font technology advances
  Dr. Yushi Komachi