s 13 The standard of proficiency.
(1) The General Council shall from time to time determine the standard of proficiency which, in its opinion, is required for the competent and safe practice of chiropractic. (2) The Council shall publish a statement of the standard of proficiency determined by it under this section. (3) If the Council at any time varies the standard so determined it shall publish a statement of the revised standard, accompanied by a statement of the differences between that standard and the standard as it was immediately before the revision. (4) No variation of the standard shall have effect before the end of the period of one year beginning with the date on which the Council publishes the statements required by subsection (3) in connection with that variation.