5. Subject to paragraph 7, each Party shall apply an advance ruling to importations into its territory of the good for which the ruling was requested, commencing on the date of its issuance or such later date as may be specified therein.
6. Each Party shall provide to any person requesting an advance ruling the same treatment, including the same interpretation and application of the provisions of Chapter Four (Rules of Origin) regarding a determination of origin of a good, as it provided to any other person to whom it issued an advance ruling, provided that the facts and circumstances are identical in all material respects.
7. The issuing Party may modify or revoke an advance ruling:
(a) if the ruling is based on an error
(i) of fact,
(ii) in the tariff classification of a good or the materials subject to the ruling,
(iii) in the application of a regional value-
content requirement under Chapter Four (Rules
of Origin), or
(iv) in the application of the rules for determining
whether a good qualifies as a good of a Party
under Annexes 300-B or 302.2;
(b) if the ruling is not in accordance with an interpretation agreed by the Parties regarding Chapter Three (National Treatment and Market Access for Goods) and Chapter Four (Rules of Origin);
(c) if there is a change in the material facts or
circumstances on which the ruling is based;