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Appendix

Attribution Table

The following is a table which compares the attribution rules of Chapters 7, 14, and 17.  These tables are only intended as a summary and a quick reference point.  Be sure to use them with the appropriate material from the book.

A quick glance at the tables reveals that there is only one form of attribution which is treated exactly the same by all three systems.  Under IRC §1563, and IRC §318, and IRC §267 there is always attribution between a parent and a child under age 21.  With that one exception, each attribution system has its own peculiarities for each item on the list.  Each of the three attribution systems prohibits double attribution via any of the family rules.  Generally, however, double attribution is permitted under the other rules, with exceptions peculiar to each system.

One of the most frequent errors practitioners make is applying the wrong attribution system to a particular situation.  These tables make it clear that you must first determine which attribution system applies.  Only then can you be sure you are applying the proper set of rules.

Attribution Type

Controlled Group Rules (IRC § §1563)

ASG/HCE Rules (IRC §318)

Related Party Rules (IRC §267)

Spouse

Deemed to own stock unless divorced (including interlocutory) or separated or noninvolvement exception applies

Deemed to own stock unless divorced (final decree only) or separated; no noninvolvement exception

Deemed to own stock unless there is a final decree of divorced; no noninvolvement exceptions

Parent to child < 21

Deemed to own stock

Deemed to own stock

Deemed to own stock

Parent to child > 20

Deemed to own stock only if child owns more than 50%

Deemed to own stock

Deemed to own stock

Child to parent

Mirrors the two parent to child rules

Deemed to own stock

Deemed to own stock

Grandparent to grandchild

Same as parent to child > 20

No attribution

Deemed to own stock

Grandchild to grandparent

Same as parent to child > 20

Deemed to own stock

Deemed to own stock

Other lineal ancestors & descendants

No attribution

No attribution

Deemed to own stock

Brothers, sisters, half-siblings

No attribution

No attribution

Deemed to own stock except for IRC §4975

Spouses of lineal descendants

No attribution

No attribution

Deemed to own stock for IRC §4975

Partnership to partner

5% parents deemed to own pro rata interest in stock

Deemed to own pro rata interest in stock

Deemed to own pro rata interest in stock

Partner to partner

No attribution

No attribution

Deemed to own stock

S Corporation to shareholder

5% shareholder deemed to own pro rata interest in stock

Deemed to own pro rata interest in stock

Deemed to own pro rata interest in stock

C Corporation to shareholder

5% shareholder deemed to own pro rata interest in stock

50% shareholder deemed to own pro rata interest in stock.  Reduces to 5% for HCE and key employee

Deemed to own pro rata interest in stock

Estate or trust to beneficiary

5% or more beneficiary deemed to own pro rata interest in stock.  Grantor of grantor trust deemed to own stock.

All beneficiaries deemed to own pro rata interest in stock.  Grantor of grantor trust deemed to own stock

All beneficiaries deemed to own pro rata interest in stock.

Retirement trust to participant or beneficiary

5% or more beneficiary deemed to own pro rata interest in stock for retirement plan purposes.  No attribution for income tax purposes.

No attribution

All beneficiaries deemed to own pro rata interest in stock.

Attribution to entities

No attribution

All stock attributed, but see Q 14:14

No attribution

Holders of options

Deemed to own stock

Deemed to own stock

No attribution

Used for

Controlled groups

Traditional ASGs

HCEs

Key Employees

401(a)(9)

ESOPS

Shareholder Employees

Management Function Groups

Leased Employees

Prohibited Transactions