What is the purpose of section 451 of the Corporation Tax Act 2010?

Section 451 supports the definition of control in section 450 by setting out how rights and powers are attributed between connected persons. Its purpose is to ensure that close company rules cannot be circumvented by spreading ownership or control across nominees, associates, or controlled companies, thereby maintaining the integrity of the five-or-fewer-participators test.

How does section 451 treat future rights to acquire shares or voting power?

If a person has the right to acquire shares, voting rights, or other entitlements at a future date, or will become entitled to acquire them, they are treated as already holding those entitlements now. This prevents arrangements that defer legal ownership solely to avoid triggering the close company rules under United Kingdom corporation tax law.

How are nominee and associate rights attributed under section 451?

Rights held by a nominee or exercisable at another person's direction are attributed to that directing person. A person may also be credited with the rights of companies they control and of their associates. However, rights already attributed to an associate under the associate-attribution rule cannot be attributed again through a further chain of associates.

Can you give an example of how the attribution rules work in practice?

If Mr Shah holds 10% of a company, his wife holds 15%, his controlled company holds 20%, and a family trust holds 8%, all those holdings are attributed to Mr Shah, giving him 53%. A future option for 5% more is also treated as currently held, bringing his attributed total to 58%, demonstrating close company control.

Corporation Tax Act 2010 section 451

Section 450: rights to be attributed etc

Section 451 sets out the rules for attributing rights and powers to persons when determining whether a company is controlled by five or fewer participators under section 450.

Future rights to acquire shares, voting power or other entitlements are treated as if the person already holds them now.
Rights or powers held by a nominee or exercisable on another person's direction are attributed to that other person.
A person may also be credited with the rights and powers of companies they control, and of their associates, but rights already attributed to an associate under the associate rule cannot be attributed again through a further chain of associates.
These attribution rules are applied in whatever way is needed to bring a company within the close company definition — that is, under the control of five or fewer participators — if that result is achievable.

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