System

Abacus Enterprise Workflow

Personal Tax

PRT

Authorised Investment Fund

Corporation Tax

Group Module

Investment Trust

Life

Hotline

Pack development

P11D

Partnership Tax

Partnership Gains

Tracker

Administrator

Irish Corporation Tax

Abacus+

Hong Kong Profits Tax

Abacus Enterprise Workflow

Abacus+ v2

PCS Client Manager

VAT

System Lite

Corporation Tax Lite

The Tools menu in the Corporation Tax software contains a further option, CTSA interest, to deal with the following under self-assessment:

• Underpayments
• Overpayments
• Late underpayments
• Late repayments

Interest rates for tax paid late or overpaid can be viewed or updated from this option. The options Under payments and Over payments relate to the interest rates for tax payments due 9 months and 1 day after the end of the accounting period end. The options Late under payments and Late repayments relate to interest arising on payments on account submitted after the due date.