This is what I found on the Sales page:
" Tax table updates are provided on a when-and-if available basis. Requires an active QuickBooks Desktop payroll subscription. When a newer version of QuickBooks Desktop becomes available, you must upgrade to that versions by the following June 30th to continue receiving tax table updates."
(Details section at the bottom at this link: https://quickbooks.intuit.com/ca/desktop/compare-pro-premier/)