The Senate parliamentarian said Wednesday that Democrats’ Plan B to include amnesty for illegal immigrants could not be included in their sweeping social spending budget reconciliation bill.

Democrats had sought to adjust the “green card through registry” date — most recently set at Jan. 1, 1972, during the Reagan administration in 1986 — to 2010, granting a pathway to legal permanent residency to illegal immigrants who can show they came to the United States before 2010.