KudoZ: term help for translators

The KudoZ network provides a framework for translators and others to assist each other with translations or explanations of terms and short phrases.

Ashleigh Allan

United Kingdom

RN°

Non-PRO French to English Law/Patents Law (general) Will

I'm currently translating a last will, and this abbreviation features at the top of the page followed by a number. Any idea what this should be?

Proposed translations (English)

4 +1

1 hr

Shabelula

Italy

Specializes in field

Registration No.

Declined

should/could be this

Peer comment(s):

neutral	writeaway : convincing refs 23 mins
	https://www.allacronyms.com/RN/Registration_Number -- of course it could be registered nurse, red nucleum, Rio Negro, Right Now..... on top of a notarial document and followed by a number I don't think there's much room for doubt here but never say never
agree	erwan-l 23 hrs
	thank you