(a) Any credit union organized under this or any other credit union act and all shares and deposits therein shall be exempt from all taxation now or hereafter imposed by this state or any taxing authority within this state. No law which taxes corporations in any form, or the shares or deposits thereof, or the accumulation thereon, shall apply to any such credit union; except that any real property and any tangible personal property owned by any such credit union shall be subject to taxation to the same extent as other similar property is taxed: Provided, That this exception shall not permit the imposition of any sales or use taxes on the credit union.
(b) The shares of any such credit union shall not be subject to stock, transfer taxes, either when issued or when transferred from one member to another.
(c) The participation by a credit union in any government program providing unemployment, social security, old age pension or other benefits shall not be deemed a waiver of the taxation exemption hereby granted.