(24)A system of staging, that is establishing the entitlement to hold a driving licence in a specific category as a prerequisite for the applicant to become eligible to hold certain other categories of driving licences, and equivalences between categories should be established, including, where appropriate, a minimum period of experience before such eligibility. Such a system should be binding on all Member States, without prejudice to the possibility for Member States to apply certain equivalences between themselves in their respective territories. Member States should also be allowed to establish certain equivalences limited to within their own territory.