UK. 2007. Standardization of PFI Contracts: Version 4. London: UK Government, HM Treasury.
"Key References: Designing PPP Contracts"
Provides detailed guidance and standard wording where appropriate on every aspect of the PPP contracts used for United Kingdom PFI PPPs (predominantly user-pays). The website http://www.hm-treasury.gov.uk/ppp_standardised_contracts.htm provides additional materials, including marked up versions showing changes made to previous versions
.