<ul><li><a href=http://www.legislation.gov.uk/uksi/2015/102/contents/made target=_blank>Public Contracts Regulations 2015(Public Contracts Regulations 2015, S.I. 2015 No. 102, last updated in April 2018)</a></li><li><a href=https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/850566/PPN_for_New_Thresholds_2020_pdf.pdf target=_blank>Procurement Policy Note - New Thresholds 2020(Information Note PPN 06/19 November 2019)</a></li></ul>