Home › CFR › Title 16 › Part 126316 CFR Part 1263 — Safety Standard for Button Cell or Coin Batteries and Consumer Products Containing Such Batteries§ 1263.1— Scope, purpose, effective date, and exemption.§ 1263.2— Definitions.§ 1263.3— Requirements for consumer products containing button cell or coin batteries.§ 1263.4— Requirements for labeling of button cell or coin battery packaging.