Latin phrase meaning "for this". In English, it generally signifies a solution designed for a specific problem or task, non-generalizable, and not intended to be able to be adapted to other purposes (compare with a priori)
Approval of ad hoc projects or programmes and ad hoc budgets associated with them (Category A
Goedkeuring van ad hoc-projecten of-programma's en bijbehorende ad hoc-begrotingen (Categorie A