For signature legislation the President may take a more active role in the process before it gets to his desk, such as with Obamacare. (politics.stackexchange.com)
John Humphries, the director of state and federal programs for the school district of about 1,300 students, signed the 2011 petition to trigger a recall election for Walker following the passage of Walker's signature legislation known as Act 10 that all but eliminated collective bargaining rights for most public employees, including teachers. (host.madison.com)
This principle is independent of any electronic signatures legislation but the latter's language, at least in the Uniform E-Commerce Act, would encompass it. (slaw.ca)