A private ruling letter not only takes time it can be expensive ...
https://www.investopedia.com/terms/p/plr.asp#:~:text=One%20of%20the%20burdens%20of,%2450%2C000%20for....
https://www.irs.gov/faqs/irs-procedures/code-revenue-procedures-regulations-letter-rulings/code-reve...
IMO ... just take the needed box 2a adjustments when you file (since box 2b should be checked) and answer any IRS letter if you ever actually get one (highly unlikely).
