Payroll is calculated on the W2 in the year it is paid & not the year it is earned.

Resolution for '2017 W2s issue: 'When a payroll period straddles the end of the year, which pay period is used for 2017 W-2s?' available: Yes.

The 2017 W2s issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the 2017 W2s issue yourself by looking for a resolution described in the article. If it is a complex 2017 W2s issue or you are unable to solve the issue, you may contact us by clicking here or by using other 2017 W2s support options.

For more information about resolving issues related to 2017 W2s in Quickbooks/QBO or to get support for the issue 'When a payroll period straddles the end of the year, which pay period is used for 2017 W-2s?', click the link below: