(1) (a) An individual is "unemployed" in any week during which he performs no services and with respect to which no wages are payable to him, or in any week of less than full-time work if the wages payable to him with respect to the week are less than his weekly benefit amount. (b) The department shall prescribe rules applicable to unemployed individuals making distinctions in the procedure as to total unemployment, part-total unemployment, partial unemployment of individuals attached to their regular jobs, and other forms of short-time work, as the department considers necessary.

(a) An individual is "unemployed" in any week during which he performs no services and with respect to which no wages are payable to him, or in any week of less than full-time work if the wages payable to him with respect to the week are less than his weekly benefit amount.

(b) The department shall prescribe rules applicable to unemployed individuals making distinctions in the procedure as to total unemployment, part-total unemployment, partial unemployment of individuals attached to their regular jobs, and other forms of short-time work, as the department considers necessary.

(2) The department may by rule prescribe in the case of individuals working on a regular attachment basis the existence of unemployment for periods longer than a week if: (a) it is a period of less than full-time work; (b) insofar as possible the loss of wages required as a condition of being considered unemployed in those periods shall be such as to allow comparable benefits, for comparable loss in wages, to those individuals working less than full-time in each week as would be payable on a weekly claim period basis to those individuals working full-time and not at all in alternate weeks.

(a) it is a period of less than full-time work;

(b) insofar as possible the loss of wages required as a condition of being considered unemployed in those periods shall be such as to allow comparable benefits, for comparable loss in wages, to those individuals working less than full-time in each week as would be payable on a weekly claim period basis to those individuals working full-time and not at all in alternate weeks.

(3) Unemployment shall in no case be measured on a basis of longer than a four-week period.