Late Payment of Commercial Debts (Interest) Act 1999 meaning

In practice, this Act is relied on to add statutory interest and recovery costs to late-paid commercial invoices in business-to-business contracts and supplies to public authorities. It is a UK statute (as amended by the 2002 and 2013 Late Payment Regulations) and applies in England & Wales, Scotland and Northern Ireland. Key features: - Statutory simple interest at the “reference rate” (Bank of England base rate set for each half‑year) plus 8% per annum on qualifying debts under contracts for the supply of goods or services. - Interest runs from the “relevant day”: the end of any agreed payment period, or if none, generally 30 days after receipt of invoice, delivery/acceptance, or verification (public sector has specific rules). - Fixed-sum compensation per invoice (£40/£70/£100, depending on debt size) plus reasonable recovery costs to the extent they exceed the fixed sum. - Parties may agree different remedies, but attempts to exclude or unduly delay payment are ineffective unless a “substantial remedy” is provided; extended terms must not be grossly unfair. Public authorities are generally limited to 30 days; business-to-business terms over 60 days require express agreement and must not be grossly unfair. Ireland has a parallel regime under the European Communities (Late Payment...