“Relevant employment”, in relation to industrial injuries benefit, means employment which—
(a) is employed earner's employment for the purposes of section 94 of the Social Security Contributions and Benefits Act 1992 as at 28 May 2015 (the date of introduction into Parliament of the Bill for the Scotland Act 2016), or
(b) would be such employment but for—
(i) the contract purporting to govern the employment being void, or
(ii) the person concerned not being lawfully employed,
as a result of a contravention of, or non-compliance with, provision in or made by virtue of an enactment passed to protect employees...