Corporation TaxPro Release Notes
(Corporation TaxPro 2025 v2.01 – 03/06/2025)
Company Details – De Minimis Aid
New fields have been added to the ROS CT1 in Company Details in relation to De Minimis Aid. To comply with EU State aid rules, the total amount of de minimis aid granted per Member State to a single undertaking shall not exceed €300,000 over any period of 3 years. Member States must ensure that the combined amount of de minimis aid granted from all sources to a single undertaking in any three-year period does not exceed the €300,000 ceiling. Companies are required to provide details of all other de minimis aid which has been granted to them within the past three years. Where a claim is made under the following provisions, a declaration in respect of Commission Regulation (EU) 2023/2831 of 13 December 2023 (“the General De Minimis Regulation”) is required:
- S486C (Start up company relief) in this accounting period.
- S372AAC Living City Initiative.
- S372AAD Living City Initiative.
- S268(1((n) and S272(3)(k)(i) IBA Aviation Services Facilities.
The new fields facilitate the declaration. The new fields can be found under Tax Return Information – De Minimis Aid.

Company Details –SME Exemption S835EA
A new field has been added to the 2025 ROS CT1 in relation to SME Exemption. The new field, if relevant, can be completed in TaxPro by selecting Tax Return Information – SME Exemption S835EA.

The new field is field 5 above.
Company Details – S299 Leases Agreed with Corporate Lessees
New fields have been added to the ROS CT1 in relation to S299 leases agreed with corporate lessees. The new fields, if relevant can be completed in TaxPro by selecting Tax Return Information – S299 Leases agreed with Corporate Leasees.

Company Details – S299 Leases Agreed with Corporate Lessors
New fields have been added to the ROS CT1 in relation to S299 leases agreed with corporate lessors. The new fields, if relevant can be completed in TaxPro by selecting Tax Return Information – S299 Leases agreed with Corporate Lessors.

Company Details – S299 Leases Agreed with Individual Lessors
New fields have been added to the ROS CT1 in relation to S299 leases agreed with individual lessors. The new fields, if relevant can be completed in TaxPro by selecting Tax Return Information – S299 Leases agreed with Individual Lessors.

Extracts from Accounts
A new field has been added to the Extracts from Accounts section of the 2025 ROS CT1 in relation to stock exchange listing expenditure under S81D. The new field, if relevant can be completed in TaxPro by selecting Extracts from Accounts. The new field can be found under Expenses & deductions.
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Irish Investment Income – Leasing Profits
New fields have been added to the ROS CT1 in relation to capital allowances arising from non-trading leasing activity. The new fields, if relevant can be completed in TaxPro by selecting Irish investment income – Other investment income.

When leasing profits are selected as the type of income then a new section appears requesting details of capital allowances arising from leasing activity.
Foreign Income – Participation Exemption S831B
Finance Act 2024 introduced a corporation tax exemption under S831B for certain dividends and other distributions received by a parent company from a foreign subsidiary. The exemption applies to a relevant distribution made by a relevant subsidiary to a parent company on or after the 1st January 2025.
New fields have been added to the 2025 ROS CT1 to enable a company to claim the participation exemption on the CT1. A company that receives a foreign distribution can chose between claiming the participation exemption or a double tax credit for foreign tax paid. If a claim is made for the participation exemption, then all relevant distributions from all relevant subsidiaries will be exempt for that accounting period. A claim cannot be made on a per dividend or per subsidiary basis. More information can be found here: https://www.revenue.ie/en/tax-professionals/tdm/income-tax-capital-gains-tax-corporation-tax/part-35/35-02-11.pdf
To claim the Participation Exemption on TaxPro, select Overseas investment income – Distributions. A new section to claim the participation exemption has been added to the screen.

Double Taxation Relief
New fields have been added to TaxPro under double taxation relief. The new fields, if relevant can be completed in TaxPro by selecting by selecting Overseas investment income –Distribution. A new section to claim the double taxation relief has been added to the screen.

Line 1 will be used to claim double taxation relief in respect of dividend income under Schedule 24
Line 2 will be used to claim additional foreign credit under Schedule 24, Paragraph 9I, subparagraph (4)(a)
Line 2 will be used to claim additional foreign credit under Schedule 24, Paragraph 9I, subparagraph (4)(b)
Deductions, Reliefs & Credits – Management Expenses
A new field has been added under Management Expenses on the 2025 ROS CT1 in relation to the amount of management expenses that refer to stock exchange listing expenditure under S81D. The new field, if relevant can be completed in TaxPro by selecting Deductions and credits – Management expenses. The new field is the last line below.

Group Relief
New fields have been added under Group Relief on the 2025 ROS CT1. If any surrender/claim of relevant leasing losses or capital allowances relates to machinery or plant, then additional information needs to be included on the CT1.
In relation to the surrender of relevant leasing losses or capital allowances relating to machinery or plant, the new fields can be completed by selecting Deductions and credits – Group relief – Surrender. Then click on the link “Relevant leasing losses or capital allowances” and select Add.
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In relation to the Claim to relevant leasing losses or capital allowances relating to machinery or plant, the new fields can be completed by selecting Deductions and credits – Group relief – Claim. Then click on the link £Relevant leasing losses or capital allownces” and select Add.


Deductions, Reliefs & Credits – Sports Donation Scheme
New fields have been added to the ROS CT1 in relation to the sports donation scheme. The new fields, if relevant can be completed in TaxPro by selecting Deductions and credits – Sports Donation Scheme.

Capital Gains Tax
New fields have been added to the 2025 ROS CT1 under Capital Gains Tax in relation to the disposal of leased machinery or plant in the Accounting Period. The new fields, if relevant can be completed in TaxPro by selecting Capital Gains – Capital Gains Tax – Non development land. The new fields are located in the Consideration section.

Corporation TaxPro – Data Mining
We have added Data Mining to Corporation TaxPro It allows users to data mine information in the TaxPro CT database and produce excel reports for same e.g. Show all clients in 2025 with trade/professional income, show all clients in 2025 with Rental income, etc.
You can access this by going to Utilities – Data Mining.
