For those of you with corporate credit and debit cards you might want to know that some nasty rules that were schedule to go into effect have been shelved. CFO.com has coverage at IRS strikes reconciliation from 6050W 1099k reporting.
IRS Defangs Credit Card Reporting Rule
Archived post from 2012. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.