3. a designated benefit in respect of a registered retirement income fund (in this clause having the meaning assigned by subsection 146.3(1))

          as a consequence of the death of an individual of whom the taxpayer is a child or grandchild, and

          (III) the amount, if any, by which the amount determined for the year under subclause (II) in respect of the taxpayer exceeds the amount, if any, by which

            1. the total of all designated benefits of the taxpayer for the year in respect of registered retirement income funds

          exceeds

            2. the total of all amounts that would be eligible amounts of the taxpayer for the year in respect of those funds (within the meaning that would be assigned by subsection 146.3(6.11) if the taxpayer were described in paragraph (b) thereof), and

(4) Clause 60(l)(v)(B.2) of the Act is replaced by the following:

        (B.2) all eligible amounts of the taxpayer for the year in respect of registered retirement income funds (within the meaning assigned by subsection 146.3(6.11)),

(5) Clause 60(l)(v)(D) of the Act is replaced by the following:

        (D) the amount, if any, by which

          (I) the amount received by the taxpayer out of or under a registered retirement income fund under which the taxpayer is the annuitant and included because of subsection 146.3(5) in computing the taxpayer's income for the year

        exceeds

          (II) the amount, if any, by which the minimum amount (within the meaning assigned by subsection 146.3(1)) under the fund for the year exceeds the total of all amounts received out of or under the fund in the year by an individual who was an annuitant under the fund before the taxpayer became the annuitant under the fund and that were included because of subsection 146.3(5) in computing that individual's income for the year, and

(6) Paragraph 60(n) of the Act is amended by adding the following after subparagraph (i):

      (i.1) any amount described in subparagraph 56(1)(a)(ii),

(7) Subparagraph 60(n)(ii.2) of the Act is repealed.

(8) Subsection (1) applies to the 1992 and subsequent taxation years.

(9) Subsections (2), (3) and (5) apply to the 1993 and subsequent taxation years except that, for the 1993 to 1996 taxation years, subclause 60(l)(v)(D)(I) of the Act, as enacted by subsection (5), shall be read as follows:

          (I) the amount received by the taxpayer out of or under a registered retirement income fund under which the taxpayer is the annuitant (or, where the taxpayer's spouse died before 1993, under which the spouse was the annuitant) and included because of subsection 146.3(5) in computing the taxpayer's income for the year

(10) Subsection (4) applies to the 1993 and subsequent taxation years and subparagraph 60(l)(v) of the Act shall apply to a taxpayer for the 1992 taxation year as if it were read without reference to clause (B.2), unless the taxpayer elects otherwise by notifying the Minister of National Revenue in writing.

(11) Subsection (6) applies to repayments made after 1990.

(12) Subsection (7) applies to repayments made after October 1991.

27. (1) Section 63 of the Act is amended by adding the following after subsection (3):

Commuter's child care expense

(4) Where in a taxation year a person resides in Canada near the boundary between Canada and the United States and while so resident incurs expenses for child care services that would be child care expenses if

    (a) the definition ``child care expense'' in subsection (3) were read without reference to the words ``in Canada'', and

    (b) the reference in paragraph (b) of the definition ``child care expense'' in subsection (3) to ``resident of Canada'' were read as ``person'',

those expenses (other than expenses paid for a child's attendance at a boarding school or camp outside Canada) shall be deemed to be child care expenses for the purpose of this section if the child care services are provided at a place that is closer to the person's principal place of residence by a reasonably accessible route, having regard to the circumstances, than any place in Canada where such child care services are available and, in respect of those expenses, subsection (1) shall be read without reference to the words ``and contains, where the payee is an individual, that individual's Social Insurance Number''.

(2) Subsection (1) applies to the 1992 and subsequent taxation years.

28. (1) The definition ``principal-business corporation'' in subsection 66(15) of the Act is replaced by the following:

``principal-bu siness corporation''
société exploitant une entreprise principale;

``principal-business corporation'' means a corporation the principal business of which is any of, or a combination of,

      (a) the production, refining or marketing of petroleum, petroleum products or natural gas,

      (a.1) exploring or drilling for petroleum or natural gas,

      (b) mining or exploring for minerals,

      (c) the processing of mineral ores for the purpose of recovering metals or minerals from the ores,

      (d) the processing or marketing of metals or minerals that were recovered from mineral ores and that include metals or minerals recovered from mineral ores processed by the corporation,

      (e) the fabrication of metals,

      (f) the operation of a pipeline for the transmission of oil or gas,

      (f.1) the production or marketing of calcium chloride, gypsum, kaolin, sodium chloride or potash, and

      (g) the manufacturing of products, where the manufacturing involves the processing of calcium chloride, gypsum, kaolin, sodium chloride or potash,

    or a corporation all or substantially all of the assets of which are shares of the capital stock or indebtedness of one or more principal-business corporations that are related to the corporation (otherwise than because of a right referred to in paragraph 251(5)(b));

(2) Subsection (1) applies to the 1993 and subsequent taxation years, except that

    (a) a corporation may elect that subsection (1) not apply to its 1993 to 1996 taxation years by so notifying the Minister of National Revenue in writing before the end of the sixth month after the month in which this Act is assented to; and

    (b) it does not apply to transactions and events that occur before the 1993 taxation year.

29. (1) The portion of the description of F in the definition ``cumulative Canadian development expense'' in subsection 66.2(5) of the Act after paragraph (a) is replaced by the following:

    exceeds

      (b) the amount, if any, by which

        (i) the total of all amounts that would be determined under paragraph 66.7(4)(a), immediately before the time (in this paragraph referred to as the ``relevant time'') when such proceeds of disposition became receivable, in respect of the taxpayer and an original owner of the particular property (or of any other property acquired by the taxpayer with the particular property in circumstances in which subsection 66.7(4) applied and in respect of which the proceeds of disposition became receivable by the taxpayer at the relevant time) if

          (A) amounts that became receivable at or after the relevant time were not taken into account,

          (B) each designation made under subparagraph 66.7(4)(a)(iii) in respect of an amount that became receivable before the relevant time were made before the relevant time, and

          (C) paragraph 66.7(4)(a) were read without reference to ``30% of''

      exceeds the total of

        (ii) all amounts that would be determined under paragraph 66.7(4)(a) at the relevant time in respect of the taxpayer and an original owner of the particular property (or of that other property) if

          (A) amounts that became receivable after the relevant time were not taken into account,

          (B) each designation made under subparagraph 66.7(4)(a)(iii) in respect of an amount that became receivable at or before the relevant time were made before the relevant time,

          (C) paragraph 66.7(4)(a) were read without reference to ``30% of'', and

          (D) amounts described in subparagraph 66.7(4)(a)(iii) that became receivable at the relevant time were not taken into account, and

        (iii) such portion of the amount otherwise determined under this paragraph as was otherwise applied to reduce the amount otherwise determined under this description,

(2) The description of L in the definition ``cumulative Canadian development expense'' in subsection 66.2(5) of the Act is replaced by the following:

    L is the amount by which the total of all amounts determined under subsection 66.4(1) in respect of a taxation year of the taxpayer ending at or before that time exceeds the total of all amounts each of which is the least of

          (a) the amount that would be determined under paragraph 66.7(4)(a), at a time (hereafter in this description referred to only as the ``particular time'') that is the end of the latest taxation year of the taxpayer ending at or before that time, in respect of the taxpayer as successor in respect of a disposition (in this description referred to as the ``original disposition'') of Canadian resource property by a person who is an original owner of the property because of the original disposition, if

            (i) that paragraph were read without reference to ``30% of'',

            (ii) where the taxpayer has disposed of all or part of the property in circumstances in which subsection 66.7(4) applied, that subsection continued to apply to the taxpayer in respect of the original disposition as if subsequent successors were the same person as the taxpayer, and

            (iii) each designation made under subparagraph 66.7(4)(a)(iii) in respect of an amount that became receivable before the particular time were made before the particular time,

          (b) the amount, if any, by which the total of all amounts each of which became receivable at or before the particular time and before 1993 by the taxpayer and is included in computing the amount determined under subparagraph 66.7(5)(a)(ii) in respect of the original disposition exceeds the amount, if any, by which

            (i) where the taxpayer disposed of all or part of the property before the particular time in circumstances in which subsection 66.7(5) applied, the amount that would be determined at the particular time under subparagraph 66.7(5)(a)(i) in respect of the original disposition if that subparagraph continued to apply to the taxpayer in respect of the original disposition as if subsequent successors were the same person as the taxpayer, and

            (ii) in any other case, the amount determined at the particular time under subparagraph 66.7(5)(a)(i) in respect of the original disposition

          exceeds

            (iii) the amount that would be determined at the particular time under subparagraph 66.7(5)(a)(ii) in respect of the original disposition if that subparagraph were read without reference to the words ``or the successor'', wherever they appear therein, and if amounts that became receivable after 1992 were not taken into account, and

          (c) where

            (i) after the original disposition and at or before the particular time, the taxpayer disposed of all or part of the property in circumstances in which subsection 66.7(4) applied, otherwise than by way of an amalgamation or merger or solely because of the application of paragraph 66.7(10)(c), and

            (ii) the winding-up of the taxpayer began at or before that time or the taxpayer's disposition referred to in subparagraph (i) (other than a disposition under an agreement in writing entered into before December 22, 1992) occurred after December 21, 1992,

          nil,

(3) Subsection (1) applies to taxation years that end after February 17, 1987.

(4) Subsection (2) applies to taxation years that end after December 21, 1992, except that where a taxpayer so elects by notifying the Minister of National Revenue in writing before the end of the sixth month that begins after the end of the taxpayer's taxation year that includes the day on which this Act is assented to, the description of L in the definition ``cumulative Canadian development expense'' in subsection 66.2(5) of the Act, as enacted by subsection (2), shall apply in respect of the taxpayer to taxation years that end after February 17, 1987 and, notwithstanding subsections 152(4) to (5) of the Act, such assessments and determinations in respect of any taxation year shall be made as are necessary to give effect to the election.

30. (1) The portion of subsection 66.4(1) of the Act before paragraph (a) is replaced by the following:

Recovery of costs

66.4 (1) For the purposes of the description of B in the definition ``cumulative Canadian oil and gas property expense'' in subsection (5) and the description of L in the definition ``cumulative Canadian development expense'' in subsection 66.2(5) and for the purpose of subparagraph 64(1.2)(a)(ii) of the Income Tax Act, chapter 148 of the Revised Statutes of Canada, 1952, as it applies to dispositions occurring before November 13, 1981, the amount determined under this subsection in respect of a taxpayer for a taxation year is the amount, if any, by which

(2) The portion of the description of F in the definition ``cumulative Canadian oil and gas property expense'' in subsection 66.4(5) of the Act after paragraph (a) is replaced by the following:

      exceeds the total of

        (b) the amount, if any, by which

          (i) the total of all amounts that would be determined under paragraph 66.7(5)(a), immediately before the time (in this paragraph and paragraph (c) referred to as the ``relevant time'') when such proceeds of disposition became receivable, in respect of the taxpayer and an original owner of the particular property (or of any other property acquired by the taxpayer with the particular property in circumstances in which subsection 66.7(5) applied and in respect of which the proceeds of disposition became receivable by the taxpayer at the relevant time) if

            (A) amounts that became receivable at or after the relevant time were not taken into account,

            (B) each designation made under subparagraph 66.7(4)(a)(iii) in respect of an amount that became receivable before the relevant time were made before the relevant time, and

            (C) paragraph 66.7(5)(a) were read without reference to ``10% of''

      exceeds the total of

          (ii) all amounts that would be determined under paragraph 66.7(5)(a) at the relevant time in respect of the taxpayer and an original owner of the particular property (or of that other property described in subparagraph (i)) if

            (A) amounts that became receivable after the relevant time were not taken into account,

            (B) each designation made under subparagraph 66.7(4)(a)(iii) in respect of an amount that became receivable at or before the relevant time were made before the relevant time, and

            (C) paragraph 66.7(5)(a) were read without reference to ``10% of'', and