What happens if the final Price for Work Done to Date is greater than the final total of the Prices?

NEC3 and NEC4 Contracts
1

What happens if the final Price for Work Done to Date is greater than the final total of the Prices?

2

If the final Price for Work Done to Date is greater than the final total of the Prices, the Contractor pays his share of the excess (see Clause 53.2).