The building codes are on a five-year cycle. The next cycle for the building code is 2020. Generally, it takes about a year and a half to two years of technical work, plus some consultation and stakeholder engagement. Then the material is published in 2020. The usual code cycle is 2020. Some of the material may be ready by 2018, and at that time the provinces and territories can have access to the material and adopt it, but the adoption period is every five years.
On June 19th, 2017. See this statement in context.