Regulation 113(7) of the Public Contracts Regulations 2015 (and as set out in Procurement Policy Note 03/16 issued by Crown Commercial Services) introduced the following publication requirements:
After March 2017, all in-scope organisations must publish, on an annual basis and covering the previous 12 months,
i) the percentage of their invoices received that are paid within 30 days of being established as valid and undisputed
ii) the amount of interest paid to suppliers due to late payment and
iii) the total amount of interest that the contracting authority was liable to pay (whether or not paid), due to a breach of Regulation 113.