Article 5
1. The United Kingdom shall require the Nuclear Decommissioning Authority to undertake that the Nuclear Decommissioning Authority and Site Licensee Companies for the Thermal Oxide Reprocessing Plant (THORP) and the Sellafield Mox Plant (SMP) will not supply spent fuel reprocessing and storage services or manufacture of MOX fuel supply contracts at prices less than the relevant projected incremental costs of supply. Such incremental costs shall include related incremental operating costs and any related incremental costs of decommissioning and waste management, and shall comprise such costs as projected shortly before the commencement of the contract. 2. Paragraph 1shall not be applied to contracts entered into before the date of this decision or to contracts where formal offers approved by the Nuclear Decommissioning Authority and the United Kingdom's Department for Trade and Industry have been issued to customers and are under negotiation before this date, or to contracts entered into after that date pursuant to a Letter of Intent entered into before that date.