As outlined by the White House, the Biden administration’s Build Back Better (BBB) framework would create an ambitious $400 billion early childhood initiative – funding both universal prekindergarten for 3- and 4-year-olds and initiatives designed to improve affordability, quality, and compensation within the child care arena. On October 28, 2021, Speaker Nancy Pelosi shared nearly 1,700 pages of companion text (H.R. 5376). Based on the House Rules Committee’s modified Print 117-17, this guide is intended to familiarize policymakers with the major early childhood proposals contained therein. Readers should note that this language is under active debate and that modifications are likely. (Note: The current version of this document has been updated to reflect substantive changes included in the House Rules Committee’s Print 117-18, reported by the Committee on November 3, 2021. For the convenience of the reader, modifications from the original are reflected in italicized blue text.) The Hunt Institute will update this document regularly, to include specific state allocations and additional details on non-federal share as the Act is finalized. (author abstract)