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Originating Timing Difference

Originating timing difference in accounting: a temporary difference that begins in the current period and reverses in a future period.

An originating timing difference is a timing-based book-versus-tax difference that begins in the current period and is expected to reverse later.

It is one way of describing the beginning of a deferred-tax-causing difference.

Why the term matters

This label is useful when distinguishing:

  • differences that originate now
  • differences that are merely reversing from earlier periods

That distinction helps explain how deferred tax balances are built up and later unwound.

Typical examples

  • accelerated tax depreciation versus straight-line book depreciation
  • accrued expenses recognized now but deductible later
  • revenue recognized in different periods under tax and financial reporting rules
Revised on Monday, May 18, 2026