This is pretty incredible, not public comment, no hearing, no Congress. U.S. increases working visa to 3 years:

Canadian and Mexican Trade NAFTA (TN) professionals can now apply for a U.S. work visa lasting up to 3 years under the North American Free Trade Agreement (NAFTA).

The U.S. Department of Homeland Security has increased the maximum period from one to three years.

This makes it equal to the initial period of admission given to H-1B professional workers.

Eligible TN non-immigrants may now be allowed to receive extensions of stay in increments of up to three years instead of the prior maximum period of stay of one year.

The TN visa category is open to Canadians and Mexicans with at least a bachelor’s degree or similar professional qualifications working in areas such as accountancy, engineering, science and teaching.