Washington( CNN) Republican may devote hundreds of thousands of immigrants a route to citizenship in upcoming weeks, begging a decades-old question: What are they going to requirement in return?

A path to citizenship even for a limited population like recipients of the Deferred Action for Childhood Arrivals programis forcing Republicans to reckon with whether now is also the time to push for E-Verify triggers, which could make a narrow bill more comprehensive and therefore more complicated.

For several months, a group of bipartisan senators led by Democrat Dick Durbin of Illinois and Republican Lindsey Graham of South Carolina have quietly worked on a style to save DACA in exchange for bolstered border security — but not E-Verify, a national database that is used by employers to verify the immigration status of individuals they hire.