If you are signing up for QuickBooks Assisted Payroll during the fourth
quarter of the current year and plan to designate January 1 as the start date
for the service, do the following to ensure the service doesn't encounter
any problems with your first payroll.
Complete the sign-up process
before the end of the year.
Do not enter payroll transactions for the first quarter of
the year until you receive an updated tax table. Tax tables for the following
year are typically available by mid-December.