http://www.dhs.gov/sites/default/fil...01a_waiver.pdf


"However, the 2013 regulation extended the provisional waiver process only
to the spouses and children of U.S. citizens. In 2013 we did not initially extend the
provisional waiver to other statutorily eligible individuals-i.e., the spouses and children
of lawful permanent residents and the adult children of U.S. citizens and lawful
permanent residents-"