In this subtitle the following words have the meanings indicated. “Eligible employment” means full-time employment in the State in an occupation requiring a college or university degree in a math or science program. “Higher education loan” means any loan for undergraduate study that is obtained for tuition, educational expenses, or living expenses from: A college or university, government, or commercial source; or An organization, institution, association, society, or corporation that is exempt from taxation under § 501(c)(3) or (4) of the Internal Revenue Code of 1986.