CMS Business Rules Guidance for Litigants in Person

Do Dividends Count as Income for Child Maintenance? Limited Company Rules & Loopholes

Who this is for. If a paying parent runs a limited company, takes dividends, or retains profits in their business bank account, standard Child Maintenance Service (CMS) assessments often produce distorted results. This guide explains how dividends are treated, how unearned income variations work, and what the law says about company earnings.

1. The Basic Rule: How the CMS Treats Company Directors

By default, the CMS retrieves income data automatically from HMRC PAYE and Self-Assessment records. If a director pays themselves a salary of £12,570 per year and files an annual tax return declaring £30,000 in dividend draws, the CMS base formula captures both the PAYE salary and the declared dividend income.

However, substantial friction arises in two scenarios:

1. Delayed HMRC Returns: CMS calculations rely on the *historic tax year*. A paying parent who had a major earnings jump in dividends may not see it reflected in CMS assessments for up to 18 months.
2. Retained Profits in Company Reserves: If the company earns £80,000 net profit, but the director leaves £65,000 sitting in the company bank account and only draws £15,000, the standard CMS calculation ignores the £65,000 entirely.

2. How Receiving Parents Challenge Retained Profits (Statutory Variations)

The Child Support Act provides specific remedies when a standard assessment does not reflect a parent’s true financial reality:

Regulation 57: Unearned Income Variation

If the paying parent has rental income, interest, or dividend payments from shares that are not captured in the default calculation, a parent can apply for an unearned income variation if the total exceeds £2,500 per year.

Regulation 58: Diversion of Income Variation

This is the primary legal mechanism used against company directors. Under Regulation 58, if a paying parent has the ability to control their income (e.g. as sole director or majority shareholder) and deliberately retains profits, pays excessive salaries to a new partner, or funnels personal expenses through the business to reduce gross maintenance, the CMS can deem that income diverted and add it back into the calculation.

3. What Paying Parents Must Know (Legitimate Business Retentions)

Not all retained profits are "diverted". The courts and First-tier Tribunal recognise that businesses require working capital, tax provisions (Corporation Tax / VAT), and capital investment reserves. If you are a company director facing a variation claim, you must be prepared to submit certified business accounts showing that retained funds were essential for genuine commercial operations, not child support avoidance.

Is your child maintenance question part of a family court case? EvidenceCanvas is an online tool for people who represent themselves in the family court. It can help you put dates, messages and documents into a chronology and a draft statement for the family court. It does not deal with Child Maintenance Service assessments, mandatory reconsiderations or tribunal appeals.

It is a paid tool with monthly plans and one-off options, and a limited free plan to try it. Check the current prices on its website before you choose a plan. It is not a law firm, it does not give legal advice and it cannot tell you how your case will turn out. If you can get legal advice or legal aid, consider that first.

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