Knowledge Base Articles

We don't just deliver on our promise to create powerful management products, we ensure you're equipped with the knowledge needed to tackle every business challenge.

IRIS Business Tax Knowledge Base

181 articles

ias-10222

IRIS Business Tax

Online amendments that generate a repayment claim

'If a company makes an online amendment that generates a repayment and either nominee or BACS details are changed on…

ias-10134

IRIS Business Tax

Ability to choose Rental Income for a Partnership or Sole Trader

For a Partnership: Clients will be able to choose Rental Income and when you bring this into Business Tax a…

ias-10064

IRIS Business Tax

Partnership return has a negative value in box 3.46

This is not an issue within IRIS but is an issue with HMRC. If there is a negative value in…

ias-10023

IRIS Business Tax

Business Tax- How BT deals with deferred tax losses

Utilisation of tax losses. IRIS multiplies the total losses utilised in the period by the tax rate shown on the…

ias-9965

IRIS Business Tax

IXBRL Accounts Not being attached in Business Tax

Users are advised that this could be due to the fact that there is a hyphen in their name(s) and…

ias-9815

IRIS Business Tax

Attaching Computations in the Electronic Tax Return

Users are advised to do the following:- Not to attach within the computation area any computation even if you have…

ias-9793

IRIS Business Tax

Business Tax- 3001 1611 No original return recorded

This error is caused when a corporation tax return is generated as amended in IRIS but the HMRC have removed/deleted…

ias-9609

IRIS Business Tax

Current year property losses being utilised by current year trading profits

Schedule A property losses must, first of all be set off against the company's total profits for the accounting period.…

ias-9561

IRIS Business Tax

Repayment section is not completed if a loss has been carried back

Users are requested to carry out the following:- 1. Log onto Business Tax and choose the client 2. Go to…

ias-9506

IRIS Business Tax

Number of associated companies used in each financial year

The number of associated companies used in the corporation tax computation and the CT600 will only be different in the…