ATTO was designed to comply with the following international safety requirements for medical electrical equipment –Safety: EN12184 Labeling: ISO 7176-15 EMC: ISO 7176-21Risk Management: ISO 14971Regulatory Compliance: EEC: Annex V of 93/42/EECThe European Medical Devices Directive of 93/42/EEC classifies the ATTO mobility scooter as a Class I device.