It is not possible to directly delete accounting periods. These can only be edited or deleted as part of the period of account deletion.  Exercise caution while using this feature as all data for the deleted period will be lost.

Delete periods of account

It is not possible to directly delete accounting periods.

These can only be edited or deleted as part of the period of account deletion.

Close all tax returns that may be open for that client.

Navigate to the Tax Returns tab for the client.

Click the arrow to the left of the Period of account dates link.

clipboard_edf8fbc399dc4244f96fbb865fc6342e9.png

Press the [Delete] key.

Note: This should done in order, starting with last period in the list.

A warning message is displayed. The Cancel button is highlighted by default to ensure that periods are not deleted in error. Click OK to delete the period.

clipboard_eb17efbcecc9f6e3a2a0d9bf67078c9d8.png

When a period is deleted, all data for the period(s) in question will be permanently deleted. 

Deleting periods with Workflow attached

A period cannot be deleted if a workflow has been attached to it. The only way to remove the workflow is to Export out the client and Import it back in.

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.