27. Whenever workers are required for work outside of their district, a roll-call of the unemployed registered in the Department of Labor Distribution shall take place, to ascertain who are willing to go; if a sufficient number of such should not be found, the Department of Labor Distribution shall assign the lacking number from among the unemployed in the order of their registration, provided that those who have dependents must not be given preference, before single persons. 28. If in the Departments of Labor Distribution, within the limits of the district, there be no workmen meeting the requirements, the District Exchange Bureau has the right, upon agreement with the respective trade union, to send unemployed of another class approaching as nearly as possible the trade required. 29. An unemployed person who is offered work outside his vocation shall be obliged to accept it, on the understanding, if he so wishes, that this be only temporary, until he receives work at his vocation. 30. A wage earner who is working outside his specialty, and who has stated his wish that this be only temporary, shall retain his place on the register on the Department of Labor Distribution until he gets work at his vocation. 31. Private individuals violating the rules of labor distribution set forth in this article shall be punished by the order of the local board of the Department of Labor Distribution by a fine of not less than 300 rubles or by arrest for not less than one week. Soviet establishments and officials violating these rules on labor distribution shall be liable to criminal prosecution. ARTICLE IV PROBATION PERIODS 32. Final acceptance of workers for permanent employment shall be preceded by a period of probation of not more than six days; in Soviet institutions the probation period shall be two weeks for unskilled and less responsible work and one month for skilled and responsible work. 33. According to the results of the probation the wage earner shall either be given a permanent appointment, or rejected with payment for the period of probation in accordance with the tariff rates. 34. The results of the probation (acceptance or rejection) shall be communicated to the Department of Labor Distribution. 35. Up to the expiration of the probation period, the wage earner shall be considered as unemployed, and shall retain his place on the eligible list of the Department of Labor Distribution. 36. A person who, after probation, has been rejected, may appeal against this decision to the union of which he is a member. 37. Should the trade union consider the appeal mentioned in the preceding section justified, it shall enter into negotiations with the establishment or person who has rejected the wage earner, with the request to accept the complainant.