Thank you very much - that is right on point. I'm not sure why I didn't find it in my searches.
For any future users coming here looking for an answer, there does not seem to be a clear or easy one. The tax law itself is complex and confusing, and TT does not provide any assistance or guidance in finding your way.
I was able to complete a sensible pro forma return by completing the Home Sale section, which handles capital gain and depreciation, and also - rightly or wrongly - listing the house on Schedule E with 0 days rental use and 0 days personal use, and no income or expenses. I am not sure I will file that - it is looking like this may be the year to have a pro prep my returns - but is serves my purposes for now.
The link provided by @Anonymous_ is the best. Here are some others:
https://ttlc.intuit.com/community/investments-and-rental-properties/discussion/sold-rental-property-...
https://ttlc.intuit.com/community/investments-and-rental-properties/discussion/passive-activity-carr...
https://ttlc.intuit.com/community/investments-and-rental-properties/discussion/can-i-use-rental-carr...
https://ttlc.intuit.com/community/investments-and-rental-properties/discussion/passive-loss-carryove...
https://ttlc.intuit.com/community/investments-and-rental-properties/discussion/does-the-program-auto...
https://ttlc.intuit.com/community/investments-and-rental-properties/discussion/what-happens-to-the-p...
