On September 29, 2023, the Federal Register officially released revisions to Title 47 to introduce a series of new standards:

• ANSI C63.4a–2017: Disturbance measurement method for low-voltage electrical and electronic equipment from 9kHz to 40GHz;
• ANSI C63.10–2020: License-exempt device test procedure. The mandatory date of this standard is October 30, 2025;
• ANSI C63.25.1–2018: 1 GHz to 18 GHz Field Validation Standard;

The above updates will take effect on October 30, 2023. Click this link to view the original Federal Register announcement.