<?xml version="1.0" encoding="utf-8" ?>
		<CS:share xmlns:D="DAV:" xmlns:CS="urn:ietf:params:xml:ns:carddav">
			     <CS:set>
	       <D:href>principal:principals/admin</D:href>
	       <CS:read-write />
	     </CS:set>
		   </CS:share>