From April 1991 all employees (including part-time) who work in ordinary industrial, commercial or service-type employments are insurable at Class A, provided their reckonable earnings in any week (from
all employments) reach the Class A threshold (�38 weekly for 2005 tax year). Please refer to
SW 14 for the current threshold.
If an employee's reckonable earnings are less than the Class A threshold, a Class J contribution applies (see
paragraph 26 for full details). These rules do not apply to systematic short-time employment (see