the Cigarette Smoking Reduction and Electronic Vapor Alternatives Act of 2017 and including any revision to such standards made in accordance with paragraph (3). (B) Short circuit protection A personal electronic vaporizer shall have a mechanism to ensure user and battery safety in the event of a short circuit of the heating element. (C) Discharge monitoring A rechargeable personal electronic vaporizer shall have a mechanism to prevent the battery from being discharged below a safe voltage during use or discharged faster than the battery can sustain safely. (D) Charge monitoring A personal electronic vaporizer that contains an onboard charger shall include circuitry to monitor the battery voltage and charge current and limit these to safe levels. A personal electronic vaporizer that contains multiple battery cells in series shall monitor the cells individually. (E) Serial and lot numbers A personal electronic vaporizer shall include a serial or lot number on the label that allows the vaporizer to be traced to its time and place of manufacture. Notwithstanding the preceding sentence, a single-use personal electronic vaporizer may have such serial or lot number on the packaging of the vaporizer other than the label. (F) Verification and validation A personal electronic vaporizer shall be constructed with sufficiently validated processes, or subject to sufficient verification and testing, to ensure that each individual vaporizer conforms to its specifications. (G) Tracking and Recalls The manufacturer of a personal electronic vaporizer shall record all shipments of one or more personal electronic vaporizers by the manufacturer to a distributor, retailer, or end user, and correlate each such shipment to serial or lot numbers, to enable batch tracking and recalls. (H) Materials The manufacturer of a personal electronic vaporizer shall ensure that— (i) materials that come in contact with e-liquids or vapor during manufacture or reasonably foreseeable use of the personal electronic vaporizer are limited to approved