http://www.legislation.gov.uk/nisr/2020/155/regulation/6The Health Protection (Coronavirus, International Travel) (Amendment No. 4) Regulations (Northern Ireland) 2020 (revoked)texttext/xmlenStatute Law DatabasePUBLIC HEALTH2021-06-25Expert Participation2021-04-16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Amendments to Schedule 4F16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .