RFC 9554 · PROPOSED STANDARD · 2024

vCard Format Extensions for JSContact

Overview

RFC 9554, “vCard Format Extensions for JSContact”, is a Proposed Standard document published in May 2024 by R. Stepanek, M. Loffredo. It updates RFC 6350. The canonical text is published by the RFC Editor.

Abstract

This document defines a set of new properties for vCard and extends the use of existing ones. Their primary purpose is to align the same set of features between the JSContact and vCard formats, but the new definitions also aim to be useful within just the vCard format. This document updates RFC 6350 ("vCard Format Specification").

Abstract as published in the RFC, via rfc-editor.org.

What “Proposed Standard” means

An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.

Read this RFC

The canonical text of RFC 9554 is hosted at rfc-editor.org. Available in HTML,TXT,PDF,XML.

Relationships to other RFCs
This RFC updates
RFC 6350
Other RFCs from 2024

Who Is Online

In total there are 27 users online: 0 registered, 22 guests and 5 bots.

Most users ever online was 1,226 on 13 Jun 2026, 3:56 am.

Bots: AhrefsBot Applebot Baiduspider Other Bot SemrushBot

Users active in the past 15 minutes. Total registered members: 354