Part I.

This document provides information on the regulations and requirements related to tax credits for clean vehicles under the Internal Revenue Code. It explains the eligibility criteria, timing of credit transfers, and treatment of payments. The document also discusses proposed and final regulations, as well as comments and revisions related to these regulations. The objective of these regulations is to promote the use of clean vehicles and ensure efficient and fair tax administration. The text provides clarity and guidance for taxpayers claiming the credits and aims to ensure compliance with federal tax laws. [Extracted from the article]