A foreign national who is granted a status of residence must receive permission to engage in an activity other than those permitted by the status of residence previously granted if he/she wishes to become engaged in such activities for which he/she receives remuneration as doing part-time job, which are not included in those activities under his/her category of status of residence”.
Please also refer to “Part-time/side jobs: you need to obtain “Permission to Engage in an Activity Other Than That Permitted by the Status of Residence Previously Granted”“
(source: Immigration Services Agency of Japan)
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