Textual Amendments
F1Sch. 2 added (6.4.1963) by The National Insurance (Consequential Provisions) Regulations 1963 (S.I. 1963/676), regs. 1(1), 9(3), Sch. D
Marginal Citations
M1Incomplete data - see S.I. 1963/676, Sch. D - table of rates for available data