foot fault
n.— «TEI is highly concerned that even the slightest misstep—a mere foot fault—by a corporate employee could lead to Draconian personal penalties.» —“Misrepresentation of a tax matter by a third party” by John M. Allinotte, Glen S. Pye, David V. Daubaras, David M. Penney, et al. Tax Executive Jan. 1, 2000. (source: Double-Tongued Dictionary)