- Companies Act 2014 (Procedures Governing the Conduct of Section 934 Investigations) Regulations 2020.
- Education (Admission to Schools) Act 2018 (Admission Policies and Admission of Students) Regulations 2020.
- European Communities (Good Laboratory Practice) Regulations, 2020
- Social Welfare (Section 290a) (Agreement) Order 2020.
- Animal Health and Welfare (Rabies) Regulations 2020.
- Blasphemy (Abolition of Offences and Related Matters) Act 2019 (Commencement) Order 2020.
- European Union (Cooperation Between National Authorities Responsible for the Enforcement of Consumer Protection Laws) Regulations 2020.
- Prohibition Of Nuclear Weapons Act 2019 (Commencement) Order 2020.
- Landlord and Tenant (Ground Rents) (Amendment) Act 2019 (Commencement) Order 2020.
- Coroners (Amendment) Act 2019 (Commencement) Order 2020.
- Optical Registration Board Code Of Professional Conduct And Ethics For Dispensing Opticians Bye-Law 2019.
- Fuel (Rationing For August and September, 1947) Order, 1947.
- Conditions of Employment (Manufacture of Toys Industry) (Exclusion) Regulations, 1978.
- Cloth, Clothing and Knitting Wool (Maximum Prices) Order, 1947.
- Health Act, 1947 (Date of Commencement) Order, 1947.
- Mussel Seed (Closing of Fisheries) Regulations 2013.
- Medicinal Products (Control of Placing on the Market) (Amendment) Regulations 2011.
- Building Control (Amendment) Regulations 2018.
- Old Age Pensions Committees (Clerks) Order, 1936.
- Conditions of Employment (Polypropylene Tape Industry) (Exclusion) Regulations, 1972.