DCHP-1 Online
let pass West, Hist. 
a permit issued by the North West Mounted Police, permitting the bearer to cross the Canada-United States border.
- 1966 The Department of Inland Revenue prevailed upon the police to establish and operate outposts along the frontier . . . to issue "let" passes to those individuals wishing to cross from one country to the other.
- 1966 The Department of Inland Revenue prevailed upon the police to establish and operate outposts along the frontier . . . to issue "let" passes to those individuals wishing to cross from one country to the other.