CSC MC 31, s. 1990: Observance of the 90th Anniversary of the Philippine Civil Service
June 19, 1990
CSC MC 32, s. 1990: National Congress of Workers in Government
June 22, 1990
CSC MC 33, s. 1990: Conduct of Agency Employee Assemblies Preparatory to the Regional Inter-Agency Congress and the National Congress of Workers in Government
June 20, 1990
CSC MC 35, s. 1990: Exhibits and Displays in Connection with the Civil Service Week
July 13, 1990
CSC MC 39, s. 1990: Wearing of Pin Button and Display of Banner during the Civil Service Week Celebration - September 13 to 19, 1990
August 2, 1990
CSC MC 40, s. 1990: Authorizing the Attendance of Government Personnel to the Fifth National Convention on Productivity in the Public Service
August 6, 1990
CSC MC 45, s. 1990: Authorizing the Attendance of Government Personnel to the General Assembly of the National Congress of Workers in Government
September 5, 1990
CSC MC 52, s. 1990: 1991 Women's Month Celebration
December 19, 1990
CSC MC 58, s. 1990: The Search for the 1991 Outstanding Public Service Award
December 27, 1990
CSC MC 59, s. 1990: Guidelines on the Search for Presidential (Lingkod Bayan) and Civil Service Commission (Pagasa) Awardees for Outstanding Public Service Pursuant to Executive Order Nos. 334 and 292
December 27, 1990