Law began his military service as a "Corporal Call-out" Staff Cadet on the establishment of the Regiment de Maisonneuve in June 1971.

He officially enrolled in the Canadian Forces Primary Reserve on 23 May 1974, as an officer of the Governor General's Foot Guards.

In 1976 he completed the Unit NBC Officer and Basic Parachutist courses before transferring to the Supplementary List in June 1976.

Service Publications (SP) was established in 1991 by Clive M. Law, an author and historian as well as former officer of the Governor General's Foot Guards.

In addition, MilArt, an acronym for Military Artifact, was originally published as a paper newsletter from 1996 to 1999, at which time it went dormant due to Law's other commitments with Service Publications.

Law died on 10 June 2017, aged 63, survived by two children (Kathleen and Richard (Geneviève)) and his wife, Elizabeth Fournier-Law.

He was also the recipient of the Loren Miller Medal for a display of concentrating on the uniforms of the Canadian Guards that he exhibited at the annual meeting in Providence, Rhode Island.

During his time on deployment, he was instrumental in being part of the establishment of the St John Ambulance First Aid, as the standard of the Haitian National Police.

His citation reads:Mr. Law is a United Nations (UN) Peacekeeping Veteran who served with the Royal Canadian Mounted Police in Haiti.