H.R.3719: To prohibit implementation of a guidance letter proposing rules relating to the Federal-State financial partnerships under Medicaid and the State Children's Health Insurance Program.

Prohibits the Secretary of Health and Human Services from implementing a guidance letter proposing rules relating to the federal-state financial partnerships under titles XIX (Medicaid) and XXI (State Children's Health Insurance Program) (SCHIP) of the Social Security Act.

Prohibits the Secretary from applying any requirement under such letter, or any similar requirement, to any state health plan amendment or waiver expanding the income eligibility level for children under SCHIP.