For regulatory questions, contact the TDG regional office in your region:
Atlantic
1-866-814-1477
TDG-TMDAtlantic@tc.gc.ca
Quebec
1-514-633-3400
TMD-TDG.Quebec@tc.gc.ca
Ontario
1-416-973-1868
TDG-TMDOntario@tc.gc.ca
Prairie & Northern
1-888-463-0521
TDG-TMDPNR@tc.gc.ca
Pacific
1-604-666-2955
TDGPacific-TMDPacifique@tc.gc.ca