(1)Regulations may provide for disqualifying a person for receiving invalidity benefit for such period not exceeding 6 weeks as may be determined in accordance with Part II of the Administration Act if—
(a)he has become incapable of work through his own misconduct; or
(b)he fails without good cause to attend for, or to submit himself to, such medical or other examination or treatment as may be required in accordance with the regulations, or to observe any prescribed rules of behaviour.
(2)Regulations may also provide for imposing, in the case of any prescribed category of persons—
(a)additional conditions with respect to the receipt of invalidity benefit; and
(b)restrictions on the rate and duration of invalidity benefit,
if, having regard to special circumstances, it appears to the Secretary of State necessary to do so for the purpose of preventing inequalities, or injustice to the general body of employed earners, or of earners generally, as the case may be.
(3)For the purposes of this section “week” means any period of 7 days.