What is the OAS Increase for those over 75? What is the GIS and is it related to OAS? Is my OAS payment safe? OAS Payment Dates In 2024 The OAS Payment dates for 2024 are: January 29, 2024 February 27, 2024 March 26, 2024 April 26, 2024 May 29, 2024 June 26, 2024 July 29,...