Relating to a child tax credit; and prescribing an effective date.

Creates refundable child tax credit, calculated based on number of dependents of taxpayer that are qualifying children with respect to taxpayer and are under six years of age at close of tax year. Limits credit to five dependents per tax return. Phases out amount of available credit based on adjusted gross income of taxpayer. Adjusts credit amount and phaseout threshold for inflation. Directs Department of Revenue to make quarterly advance payments of credit amounts. Requires Department of Human Services to seek waiver of federal requirements in Supplemental Nutrition Assistance Program in order to allow recipients of supplemental nutrition assistance to receive advance child tax credit payments. Provides that credit is not subject to garnishment. Applies to tax years beginning on or after January 1, 2024 ] 2023 , and before January 1, 2030 ] 2029 . Takes effect on 91st day following adjournment sine die.