CPA Exam Lab
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Entity taxation

The Passthrough Basis

Basis rises with income and contributions, falls with losses and distributions, and never drops below zero.

How the exam words it

The playbook

  1. 1Order the annual basis adjustments: increase for contributions and income items, then decrease for distributions, then for losses, so a distribution is measured before the loss.
  2. 2Limit deductible losses to stock plus debt basis for an S shareholder, or to outside basis for a partner; the excess carries forward.
  3. 3Include a partner's share of partnership liabilities in outside basis, which has no counterpart for an S corporation shareholder, where only a direct loan creates debt basis.
  4. 4Treat a distribution above basis as capital gain, and for an S corporation with E&P run the AAA first, then a dividend from E&P, then a return of basis.

The trap

Giving an S corporation shareholder basis for entity-level debt. Only a direct loan from the shareholder creates debt basis; a partner, by contrast, does include a share of partnership liabilities in outside basis.

How the exam varies it

The same pattern, re-skinned along these axes:

S corporation stock and debt basis versus partnership outside basisThe ordering of income, distributions, and lossesA distribution in excess of basis versus the AAA and E&P layering

Drill this pattern

8 questions of The Passthrough Basis from across the AUD topics. Clear it by getting 5 right with a streak of 3.

Shows up in 2 REG topics