This document provides guidance on transporting lithium metal and lithium ion batteries by air based on provisions in the 2021 ICAO Technical Instructions and 2022 IATA Dangerous Goods Regulations. It defines key terms like lithium battery, cell, consignment, and power bank. It also summarizes classification, prohibition, and restriction information for transporting lithium batteries as cargo or on passenger aircraft. The document aims to help comply with transport provisions for these batteries set out in IATA regulations.