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Updating how effective life determinations are published

We're updating how we publish effective life determinations. Your feedback can help shape this process.

Last updated 3 May 2023

Effective life determinations

The effective life of a depreciating asset is used to work out the asset’s decline in value (or depreciation) which is used to claim an income tax deduction.

We provide effective life determinations for either:

  • depreciating assets used by a particular industry
  • a single asset commonly used by different industries.

We previously published a new effective life determination for certain depreciating assets each year. The determination is also published annually in a new taxation ruling (effective life ruling), see Taxation Ruling TR 2022/1 Income tax: effective life of depreciating assets (applicable from 1 July 2022).

Updating the publication process

The updates to the process we are considering include:

How to provide feedback

We encourage you to take this opportunity to send us your feedback and contribute to shaping our future interactions with you.

Please send your feedback by 1 June 2023 to