SR 2021/37. The Explosives (Appointment of Authorities and Enforcement) (Amendment) (EU Exit) Regulations (Northern Ireland) 2021. Coming into force 12th March. These regulations make minor amendments to the Explosives (Appointment of Authorities and Enforcement) Regulations (Northern Ireland) 2015 (SR 2015/236), and substitute EU references which are no longer appropriate. These amendments will ensure that the CLP Regulation can operate effectively within the existing legal framework, while ensuring Protocol obligations are met. The Regulations do not make any policy changes beyond the intent of ensuring the continued operability of the existing legislation.