Excerpts from the Exchange Docs, Schedule "2", sections A, B and C....as more fully documented at this link...
https://www.my-vacationclub.com/common/vc/en-us/pdfs/enrollment_legal_docs/exchange_procedures.pdf
...
Except as otherwise provided in these Exchange Procedures, and subject to applicable minimum duration of stays for certain Markets or at certain Components as shown on the Exchange Point Schedule, there are no minimum length-of-stay requirements for Use Periods reserved by Executive Members, Presidential Members and Chairman’s Club Members during the Priority 1 Period.
...Except as otherwise provided in these Exchange Procedures, and subject to applicable minimum duration of stays for certain Markets or at certain Components as shown on the Exchange Point Schedule, there are no minimum length-of-stay requirements for Use Periods reserved by Executive Members, Presidential Members and Chairman’s Club Members during the Priority 2 Period.
...Except as otherwise provided in these Exchange Procedures, and subject to applicable minimum durations of stay for certain Markets or at certain Components as shown on the Exchange Point Schedule, there are no minimum length-of-stay requirements for Use Periods during the Priority 3 Period.
The only section that I could find that speaks to ressie limits is this footnote to the chart in Schedule "2"
6 Use Periods in The Ritz-Carlton Club, St. Thomas may be subject to a three night minimum stay, as determined by Exchange Company in its sole discretion.