Tuesday Tip Day
To make sure your employees paycheck names and social security numbers match the W-4 they completed on their employment, use the Social Security Administration’s SSN Verification Service.
For tax purposes, wages earned in 2018 but paid by check or electronically after January 1, 2019, are considered 2019 wages for their 2019 W-2 not their 2018 W-2.
Before January 15, 2019, any 2018 paychecks outstanding more than two pay period (s) so you have time to void and reissue before processing 2018 W-2s.