Project Managers can anytime invalidate a contributor's signature for any valid reason, for example when a contributor leaves the organization.
Sign in to the Project Control Center.
Click a project name of interest.
Scroll down to Tools Status section, and click EasyCLA. The EasyCLA Overview page appears.
Navigate to Signatures tab.
From Signed ICLAs tab, under Actions column, click Invalidate .
Click Invalidate again on the window that appears.
