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Payroll Year-End Close and W-2 Forms Supportability
US Payroll Tax Update Rounds*
2009 Payroll Tax Update for Microsoft Dynamics GP 8.0
* The following is the complete list of Payroll Tax Update rounds for 2009.

External resources
Version 9
CustomerSource/PartnerSource 2010 U.S. Payroll Tax Update for Microsoft Dynamics GP 9.0 (Round 1)
CustomerSource/PartnerSource 2009 U.S. Payroll Year End Update for Microsoft Dynamics GP 9.0
CustomerSource/PartnerSource 2009 Canadian Payroll Year End Update for Microsoft Dynamics GP 9.0
Version 10
CustomerSource/PartnerSource 2010 U.S. Payroll Tax Update for Microsoft Dynamics GP 10.0 (Round 1)
CustomerSource/PartnerSource 2009 U.S. Payroll Year End Update for Microsoft Dynamics GP 10.0
CustomerSource/PartnerSource 2009 Canadian Payroll Year End Update for Microsoft Dynamics GP 10.0
KB Articles US Payroll
KB Article 850663 - Year-end closing procedures for Microsoft Dynamics GP Payroll
KB Article 856808 - How to process a test "payroll year-end" close by using live payroll data in Microsoft Dynamics GP
KB Article 954154 - Information about the tax fields and year-end update fields in Payroll in Microsoft Dynamics GP
KB Articles Canadian Payroll
KB Article 861806 - Year-end closing procedures for the Canadian Payroll module in Microsoft Dynamics GP
Please comment back with your own tips or issues found during the closing process. Finally, backup, backup, and backup at each step of the way.
Until next post!
MG.-
Mariano Gomez, MIS, MCP, MVP
Maximum Global Business, LLC
http://www.maximumglobalbusiness.com/