Letter rulings (Income tax) : Advance ruling : practice and legality : proceedings of a seminar held in Cancun, Mexico in 1992 during the 46th Congress of the International Fiscal Association
1994
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Letter rulings (Income tax) -- Congresses. : Advance ruling : practice and legality : proceedings of a seminar held in Cancun, Mexico in 1992 during the 46th Congress of the International Fiscal Association
