Final answer:
Jared, as a nonresident stationed in Oregon on active duty, should use Form 40 to file his taxes. This form is for part-year residents, including nonresidents who have Oregon income. Form 40N is for nonresidents without active duty in Oregon, and Form 40P is for part-year residents without active duty.
Step-by-step explanation:
Jared, as a nonresident of Oregon who is stationed in Oregon on active duty, should use Form 40 to file his taxes. Form 40 is the Oregon Individual Income Tax Return form for full-year residents, part-year residents, and nonresidents who have Oregon income.
Jared's status as a nonresident means that he is not a full-year resident of Oregon. However, since he has been in Oregon for 7 months, he is considered a part-year resident. The fact that he also has a part-time job further supports this classification.
Form 40N is specifically for nonresidents who have Oregon source income but are not stationed in Oregon on active duty. This does not apply to Jared's situation. Form 40P is for part-year residents of Oregon who have Oregon income. While Jared is a part-year resident, he should use Form 40 instead of Form 40P because he is a nonresident who is stationed in Oregon on active duty.