Lawful Permanent Residents Immigration Additional navigation Close F-1 Students J-1 Students J-1 Exchange Visitors H-1B Employees O-1 Individuals Treaty Visas B-1 & B-2 Visitors Lawful Permanent Residents Sponsorship Employment-Based Categories Humanitarian Statuses Sponsorship All Dartmouth-sponsored employment-based permanent residence cases must be approved by and coordinated through OVIS.All Dartmouth-sponsored employment-based permanent residence cases must be approved by and coordinated through OVIS. Employment-Based Categories A list and description of the employment-based categories.A list and description of the employment-based categories.