In "Singh v. Minister of Employment and Immigration", 1 S.C.R. 177, at pp. 212–13, Wilson J. recognized that the principles of fundamental justice demand, at a minimum, compliance with the common law requirements of procedural fairness. Section 7 protects substantive as well as procedural rights: Re B.C. Motor Vehicle Act, supra. Insofar as procedural rights are concerned, the common law doctrine summarized in Baker infra, properly recognizes the ingredients of fundamental justice. [ Suresh v. Canada (Minister of Citizenship and Immigration), [2002 1 S.C.R. 3, para. 113; see also: Baker v. Canada (Minister of Citizenship and Immigration), 2 S.C.R. 817 .