Can a refugee adjudicator revise or amend his conclusion at the second stage of a second-stage immigration inquiry?

See Pincheira v. A.-G. Can. et al., [1980] 2 F.C. 265, where Pratte J., speaking for the court, said, at p. 267: "The conclusion arrived at by an adjudicator at the close of the first stage of an inquiry adjourned in accordance with section 45(1) is not fixed and unchanging: the adjudicator is entitled to revise it at any time during the inquiry and he even has a duty to do so if he finds that it is incorrect. Accordingly, if during the second part of the inquiry the adjudicator finds that, contrary to what he thought at first, the person in question is entitled to come into or remain in Canada, he must stop the inquiry at that point and make the decision necessary. There would be no purpose in proceeding with the second stage of the inquiry provided for in section 47: why should he waste time determining whether a refugee may be compelled to leave the country if, in any case, the right of that refugee to enter and remain in Canada is undisputed?"