EIM11245 | Incentive award schemes: action by the provider of awards under a taxed award scheme
From HM Revenue & Customs · Employment Income Manual
When a provider of incentive awards has signed a taxed award scheme contract, the contract obliges him to:
make a return of awards to the tax office dealing with his PAYE
account for tax at either basic or higher rate on the grossed up value of the awards
give each employee who gets an award under a higher rate scheme a certificate showing the grossed up value and the tax accounted for. Where a scheme is for basic rate, certificates need only be issued to employees who require them.