28 August 1964: Transfer of Responsibility
Going forward, responsibility for the Concept document was transferred from the JPC to the Assistant Chief of the Defence Staff (ACDS).
Purves to EA/ACDS, "Concept of Operations/CSC 1-57 (of the Canadian Armed Forces in the Event of a Major War," 28 Aug. 1964, LAC, RG 25, vol. 4903, file no. 50115-P-40, part 3.