IR35: Computation - Question 19

On what basis is the P45 completed where a worker, affected by IR35, leaves employment of the intermediary?

The P45 should show taxable pay to date, including the deemed salary, and tax deducted, including the tax on the deemed salary. If the P45 is completed on this basis and handed to the new employer, then the new employer will deduct the correct amount of tax in relation to any actual salary, or any deemed payment, in relation to the new employment.

The employee is assessable to tax on both actual and deemed payments, and so any in-year deemed payments have to be taken into account in the operation of PAYE. This will not affect the amount of tax and NIC deducted from the next payment by the new employer.

Once a P45 has been issued it cannot be amended. If additional fees are received after the P45 has been completed the employer should account for tax at the basic rate on any additional amount of the IR35 deemed payment and let the employee know of this.

The procedures for payments after a P45 has been issued are on page 94 of the Employer's Further Guide to PAYE and NICs - CWG2 (2000)