When any shares shall be purchased by or deposits made in the name of any minor, the same shall be held for the exclusive right and benefit of such minor, and free from the control or lien of all other persons, except creditors, and shall be paid, together with dividends or interest thereof, if any, to the person in whose name the shares or deposits were issued, and the receipt or acquittance of such shares and deposits shall be a valid and sufficient release and discharge to such credit union for such share or deposit liability or any part thereof. No such minor, owning shares in a credit union, under sixteen (16) years of age shall be entitled to vote in the meeting of the members either personally or through his parent or guardian, nor may he become a director until he shall have reached his eighteenth birthday. The shares of credit unions shall not be subject to any stock transfer tax, either when issued or when transferred from one member to another.