20. SETTLEMENT OF DISPUTES. (1) Any disagreement or dispute between an employer and an apprentice arising out of the contract of apprenticeship shall be referred to the Apprenticeship Adviser for decision. (2) Any person aggrieved by the decision of the Apprenticeship Adviser under sub-section (1) may, within thirty days from the date of communication to him of such decision, prefer an appeal against the decision to the Apprenticeship Council and such appeal shall be heard and determined by a Committee of that Council appointed for the purpose. (3) The decision of the Committee under sub-section (2) and subject only to such decision, the decision of the Apprenticeship Adviser under sub-section (1) shall be final.