In a rulemaking proceeding conducted in the late 1980s at the request of a mailer, the Commission addressed the question of the Postal Service's authority to negotiate rate changes in the form of a proposal to recognize contract rates.
The Commission address the Postal Service's authority in the late 1980s.
From here, the road continues to cut its way through beautiful, verdant countryside until finally coming to a crest at the pass of Boca da Encumeada (626 m/1,007 ft).