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Corporate Activity Tax
The extension form and instructions are available on Revenue Online.
Find more information about filing an extension on the Corporate Activity Tax page, in the FAQ section.
Corporation Excise and Income Tax
Find more information on filing extensions for Corporation Excise and Income Tax.
Centrally assessed companies
Learn more about filing extensions if you are a centrally assessed company.
Estate Transfer Tax
Fiduciary Income Tax
Find more information on filing extensions for Fiduciary Income Tax in the FAQ section.
Individuals
Transit self-employment
To learn more about filing an extension for Transit self employment tax please visit the FAQ section.
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