Enforcement Rules of the Employment Insurance Act Article 21
When an applicant submits his employment and non-return cards, pursuant to Article 27, Paragraph 1 regulations of the Law, or when an insured person claiming unemployment benefit notifies the Public Employment Service Institution of his reemployment, pursuant to Article 22 regulations of the Law, this should be submitted in person or sent via registered mail; for persons using registered mail, the date of posting shown on the postmark will be taken as the date of application.