That is correct. Some provinces have no legislation regarding standardized hours of care. Some provinces, including your own province of B.C., have a guideline that homes can aspire to. Other homes do have a legislated minimum requirement, which ranges from 1.9 to 3.8 hours across Canada, but no province is meeting the recommended standard of 4.1 hours.
On May 5th, 2020. See this statement in context.