Assembly Constitutional Amendment 6 amending section 1 of article XIII of constitution. Present section unchanged but proviso added declaring taxable all lands and improvements thereon owned beyond its limits by a county or municipal corporation, if taxable at the time acquired by it: exempting improvements constructed by such owner upon any of its lands; and declaring all such taxable property assessable by assessor of county or municipal corporation where situated, subject to review and adjustment by state board of equalization