What does section 452 of the Income Tax (Earnings and Pensions) Act 2003 require when valuing shares in a spin-out company?

Section 452 requires that when calculating the market value of shares acquired in a research institution spin-out company, the effect of any intellectual property agreement and any IP transfer made under it must be ignored. The shares are valued as though the IP agreement did not exist, preventing artificial distortion of the taxable amount.

Which employment income tax calculations are affected by the adjusted market value under section 452?

The adjusted market value applies to general earnings calculations, employee shareholder share amounts, gains on chargeable events from convertible securities, securities acquired for less than market value, employment income from securities options, and employment income provided through third-party arrangements. All these calculations must use the valuation that excludes the IP agreement's effect.

Why is the intellectual property agreement disregarded when calculating share value for tax purposes?

The IP agreement is disregarded because it could significantly inflate or deflate the perceived market value of shares in a spin-out company. Stripping out the IP effect ensures a fair reflection of the share value attributable to the employment relationship, without distortion from intellectual property arrangements that typically accompany spin-out transactions.

How does section 452 work in practice for an employee acquiring spin-out company shares?

In practice, if shares are worth £5 with the IP agreement but only £1 without it, section 452 sets the market value at £1 per share for all employment income tax purposes. This lower valuation is used when calculating taxable earnings, and it also applies to any subsequent calculations such as gains on convertible securities or securities option income.

Income Tax (Earnings and Pensions) Act 2003 section 452

Market value on acquisition

Section 452 deals with how to calculate the market value of shares acquired in a research institution spin-out company, specifically by requiring that the effect of any intellectual property agreement be ignored.

When shares are acquired in a spin-out company, their market value must be calculated ignoring the effect of any intellectual property (IP) agreement and any IP transfer made under it.
This adjusted valuation applies across several employment income tax calculations, including general earnings, employee shareholder shares, convertible securities gains, and securities options.
The rule also applies when shares are acquired for less than market value and when employment income is provided through third parties.
The purpose is to ensure that the IP agreement does not artificially inflate or deflate the share value used to calculate any employment-related tax charges.

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