二
Supplementary Provisions, Article 3, paragraph (5), item (ii)
本邦の公私の機関との契約に基づいて自然科学若しくは人文科学の分野に属する知識若しくは技術を要する業務に従事する活動又は当該活動と併せて当該活動と関連する事業を自ら経営する活動
activities of engaging in work requiring knowledge or skills in the field of natural sciences or humanities based on a contract with a public or private organization in Japan, or activities of engaging in those activities while also personally operating a business related to those activities;