Box 84 not available on T4 in Canadian Payroll for Microsoft Dynamics GP Content provided by Microsoft Applies to: Microsoft Dynamics GP 2015Dynamics GP 2013Dynamics GP 2010Dynamics GP 10.0Payroll - Canada More Select Product Version All Products Symptoms When you try to select the T4 Primary Box Number on the Deduction Code Setup, it will not accept Box 84. Box 84 is used to track Public Transit Passes. Cause Unfortunately Box 84 is not currently available on the T4. There is currently no way to store this information in the CPY table structure. Resolution Update the T4 manually for Box 84. More Information Please access MS Connect and vote on the product suggestion if you would like to see this functionality considered for a future enhancement: https://connect.microsoft.com/dynamicssuggestions/feedback/details/657707/gp-need-ability-to-update-and-track-box-84-on-t4-for-public-transit-passes-in-canadian-payroll Last Updated: Feb 25, 2016 Did this solve your problem? Yes No Tell us what we can do to improve the article Submit Thanks! Your feedback will help us improve the support experience.