It probably depends on the issue, the concern that the people will have, so you can actually go through the regional person or come right directly to headquarters.
Wally Schumann on Question 248-18(2): Procedure To Address Afterhours Issues At Small Airports
In the Legislative Assembly on June 17th, 2016. See this statement in context.
Question 248-18(2): Procedure To Address Afterhours Issues At Small Airports
Oral questions
June 16th, 2016
See context to find out what was said next.