(1)An employee shall not be entitled to a guarantee payment in respect of a workless day if the failure to provide him with work occurs in consequence of a trade dispute involving any employee of his employer or of an associated employer.
(2)An employee shall not be entitled to a guarantee payment in respect of a workless day if—
(a)his employer has offered to provide alternative work for that day which is suitable in all the circumstances whether or not work which the employee is under his contract employed to perform, and the employee has unreasonably refused that offer; or
(b)he does not comply with reasonable requirements imposed by his employer with a view to ensuring that his services are available.