The following drivers shall be exempted from the requirement to obtain an initial qualification:

1. (a)

   drivers who hold a category D1, D1+E, D or D+E licence, or a licence recognised as equivalent, issued no later than two years after the final date for the transposition of this Directive;

2. (b)

   drivers who hold a category C1, C1+E, C or C+E licence, or a licence recognised as equivalent, issued no later than three years after the final date for the transposition of this Directive.