BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Example Corp.//CalDAV Client//EN
BEGIN:VJOURNAL
UID:19920901T130000Z-123409@host.com
DTSTAMP:19920901T130000Z
DTSTART:19920420
SUMMARY:Yearly Income Tax Report
DESCRIPTION:We made it this year too.  Probably.  What's the point of a recurring journal entry?  Journals are supposed to describe past events, aren't they?
RRULE:FREQ=YEARLY
CLASS:CONFIDENTIAL
CATEGORIES:FAMILY,FINANCE
PRIORITY:1
END:VJOURNAL
END:VCALENDAR