Ah, it sounds like there are a variety of laws throughout the world. It does sound like the US recently moved to allow digital signatures for this and related p

Ah, it sounds like there are a variety of laws throughout the world. It does sound like the US recently moved to allow digital signatures for this and related purposes though. See https://scarincihollenbeck.com/law-firm-insights/copyright-office-electronic-signatures https://scarincihollenbeck.com/law-firm-insights/copyright-o...