Four main staging categories exist for tariff elimination
under NAFTA:
A - tariff elimination immediately upon implementation of
the Agreement, i.e., January 1, 1994.
B - tariff to be eliminated in five equal annual stages,
beginning January 1, 1994 and ending January 1, 1998.
C - tariff to be eliminated in ten equal annual stages,
beginning January 1, 1994 and ending January 1, 2003.