Fire Chief Craig Pedercini had asked the panel, which governs the district, to seek the exemption to prevent him from having to retire in March of next year.
The Fire District is inviting community members to a swearing-in ceremony for the new fire chief on Monday, Jan. 29, at 6 p.m. in the Stationary Factory.
The retired Pittsfield fire chief started his first day on the job Tuesday and has agreed to serve for 90 days until the district can fill the permanent position.
Cachat, the assistant chief, stepped in three weeks ago when James Peltier was placed on administrative leave. Peltier was fired last week for what the commissioners said were personnel complaints and for overspending his budget.