Sanctions of discretionary length
70. In determining a period under section 19(3) an adjudication officer shall take into account all the circumstances of the case and, in particular, the following circumstances—
(a)where the employment would have lasted less than 26 weeks, the length of time which it was likely to have lasted;
(b)in a case falling within section 19(6)(a) in which the employer has indicated an intention to re-engage the claimant, the date when he is to be re-engaged;
(c)where the claimant has left his employment voluntarily and the hours of work in that employment were 16 hours or less a week, the rate of pay and hours of work in the employment which he left; and
(d)where the claimant left his employment voluntarily or has neglected to avail himself of a reasonable opportunity of employment, any mitigating circumstances of physical or mental stress connected with his employment.