The software supports the calculation of the appropriate tax adjustments for leased car rental payments and does this for both pre April 2009 leases or post April 2009 leases. These calculations are based on either the retail price or the CO2 emissions respectively. For Trades, the disallowable proportion of the rental payment is calculated and adjusted for in the adjusted trading results.

The Leased Cars inputs are found within the trade under Trading Income or the Management Expenses section of the Data Navigator.

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For Leases entered into from 1st April 2009, enter the Make and model and Registration Number.

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Select whether the lease was Post 31/03/2013,  Post 31/03/2018 or Post 31/03/21 from Date of Lease drop down menu.

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Enter the CO2 emissions, Rentals and Maintenance element and the Net Leasing cost, Allowable and Disallowable amounts will be calculated.

For Leases entered into from 1st April 2009, enter the Make and model and Registration Number.

Enter the Retail Price, Rentals and Maintenance element and the Net Leasing cost, Allowable and Disallowable amounts will be calculated.

If the trade is not the primary trade and there is some investment business present, a manual allocation of the disallowable rental adjustment will be needed between the trade and any non-trading activity.

In a period of account comprising multiple accounting periods, the software will automatically time apportion the disallowable adjustment between the accounting periods with additional fields to override.

Related documents

CCH Corporation Tax 2026.3: Release Notes
Release Notes for CCH Corporation Tax 2026.3
CCH Corporation Tax 2026.2: Release Notes
Release Notes for CCH Corporation Tax 2026.2
Getting Started
This document provides a quick start guide for using CCH Corporation Tax software. It outlines essential features such as the Data Navigator, which assists in completing clients' Returns, and the use of Breadcrumbs for navigation. Additionally, it explains the functions available in the Ribbon panel located at the top of the screen. Overall, the document aims to streamline the user experience by highlighting key tools and navigation methods within the software.
Non Trade Loan Relationships
This document outlines topics related to Non Trade Loan Relationships in corporate tax computations. It includes links to sections on Non Trade Loan Relationship Summary, Credits, and Debits, detailing how to input and summarize these tax-related items in the Data Navigator. Each section describes the process for entering data and how totals are summarized for reporting purposes. Additionally, it links to related topics like Foreign Income and Miscellaneous Income.
Document Publishing
This document outlines the options for electronically storing tax returns and computations using CCH Document Management and CCH OneClick. It emphasizes that access to these tools requires appropriate licenses and user rights. Users can publish tax returns and computations both in draft form for client review and at various stages in the submission process to HMRC. The document includes specific links to guides on how to publish documents using both systems.