Got questions about time travel taxes? We've got answers!
Yes, but only if you've actually experienced a temporal income stream. If you're just visiting, you're good.
You can, but be prepared for a time paradox audit. Just kidding, it's just a form, fill it out.
That's a bit of a gray area, but generally, yes. Consult a temporal accountant. We recommend "Timey" McTaxface.
Only if they've been certified as such by the Time Traveler's Union. Otherwise, it's a temporal headache for you.