PUBLIC LAW 99-514—OCT. 22, 1986
100 STAT. 2725
"SEC. 2651. GENERATION ASSIGNMENT.
"(a) IN GENERAL.—For purposes of this chapter, the generation to which any person (other than the transferor) belongs shall be determined in accordance with the rules set forth in this section. "(b) LINEAL DESCENDANTS.—
"(1) IN GENERAL.—An individual who is a lineal descendant of a grandparent of the transferor shall be assigned to that generation which results from comparing the number of generations between the grandparent and such individual with the number of generations between the grandparent and the transferor. "(2) O N SPOUSE'S SIDE.—An individual who is a lineal descendant of a grandparent of a spouse of the transferor (other than such spouse) shall be assigned to that generation which results from comparing the number of generations between such grandparent and such individual with the number of generations between such grandparent and such spouse. "(3) TREATMENT OF LEGAL ADOPTIONS, ETC.—For purposes of this subsection— "(A) LEGAL ADOPTIONS.—A relationship by legal adoption shall be treated as a relationship by blood. "(B) RELATIONSHIPS BY HALF-BLOOD.—A relationship by the half-blood shall be treated as a relationship of the whole-blood. "(c) MARITAL RELATIONSHIP.— "(1) MARRIAGE TO TRANSFEROR.—An
individual who has been married at any time to the transferor shall be assigned to the transferor's generation. "(2) MARRIAGE TO OTHER LINEAL DESCENDANTS.—An individual who has been married at any time to an individual described in subsection (b) shall be assigned to the generation of the individual so described. "(d) PERSONS WHO ARE NOT LINEAL DESCENDANTS.—An individual who is not assigned to a generation by reason of the foregoing provisions of this section shall be assigned to a generation on the basis of the date of such individual's birth with— "(1) an individual born not more than 12 y2 years after the date of the birth of the transferor assigned to the transferor's generation, "(2) an individual born more than 12V2 years but not more than 37 V years after the date of the birth of the transferor a assigned to the first generation younger than the transferor, and "(3) similar rules for a new generation every 25 years. "(e) OTHER SPECIAL RULES.— "(1) INDIVIDUALS ASSIGNED TO MORE THAN i GENERATION.—
Except as provided in regulations, an individual who, but for this subsection, would be assigned to more than 1 generation shall be assigned to the youngest such generation. "(2) INTERESTS THROUGH ENTITIES.—Except as provided in paragraph (3), if an estate, trust, partnership, corporation, or other entity has an interest in property, each individual having a beneficial interest in such entity shall be treated as having an interest in such property and shall be assigned to a generation under the foregoing provisions of this subsection. "(3) TREATMENT OF CERTAIN CHARITABLE ORGANIZATIONS.—Any
organization described in section 511(a)(2) and any charitable
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