Amend SJR 13 (Senate committee printing) as follows: (1) In SECTION 1 of the joint resolution, in amended Subsection (d), Section 1-b, Article VIII, Texas Constitution, between "by general law." and "The" (page 2, line 5), insert the following: If a person receives the limitation provided by this subsection for the person's residence homestead and the person or the person's spouse received the limitation in the preceding tax year for that homestead and the tax rate for general elementary and secondary public school purposes applicable to the homestead for the current tax year is higher or lower than the tax rate for those purposes applicable to that homestead for the preceding tax year, the limitation provided by this subsection on the total amount of ad valorem taxes that may be imposed for those purposes on the homestead is increased or reduced, as applicable, in proportion to the increase or reduction in the tax rate, except that the total amount of ad valorem taxes that may be imposed for those purposes on the homestead may not exceed the amount of taxes imposed for those purposes for the tax year in which the limitation took effect. (2) In SECTION 1 of the joint resolution, in proposed Subsection (h-1)(a), Section 1-b, Article VIII, Texas Constitution, between "certain persons" and "and" (page 2, line 28), insert "and increasing or reducing, as applicable, the amount of the limitation on the total amount of ad valorem taxes that may be imposed by a school district on the residence homestead of an elderly or disabled person in proportion to any increase or reduction in the tax rate of the school district but not to exceed the amount of the limitation for the tax year in which the limitation took effect". (3) In SECTION 1 of the joint resolution, in proposed Subsection (h-1)(b), Section 1-b, Article VIII, Texas Constitution (page 2, line 30), strike "Section 1-b(c)" and substitute "Sections 1-b(c) and (d)". (4) In SECTION 2 of the joint resolution, between "exemption amount" and the period (page 2, line 42), insert "and increasing or reducing, as applicable, the amount of the limitation on the total amount of ad valorem taxes that may be imposed by a school district on the residence homestead of an elderly or disabled person in proportion to any increase or reduction in the tax rate of the school district but not to exceed the amount of the limitation for the tax year in which the limitation took effect".