Consider also relevant precedent decisions. See, e.g., Matter of Lee, 11 I&N Dec. 601 (Comm. 1966)(“[b]y ceasing his temporary employment . . . the applicant terminated his lawful nonimmigrant status”) and compare Matter of Siffre, 14 I&N Dec. 444 (Comm. 1973)(“[in the case of a nonimmigrant who] has been admitted for a fixed period, within that period his stay is not unlawful unless by his own conduct he violates one of the conditions of his admission [emphasis added]).