51 Trial employment is a system in which a special worker introduced by the public employment security office is tentatively employed for the maximum of three months, then the firm and the worker mutually determine job competence and finally it is decided whether he/she is officially employed. If the firm finally decides to officially employ the worker, it can receive a subsidy (subsidy for trial employment) from the public employment security office. People falling under this category of "special worker" are "young people under 35 years," "middle-aged and elderly people aged 45 or older," "mothers from female-headed households," "workers employed on the daily basis and homeless people" and "disabled people."