Index: calendar-summary-tool/tool/src/java/org/sakaiproject/tool/summarycalendar/ui/CalendarBean.java
===================================================================
--- calendar-summary-tool/tool/src/java/org/sakaiproject/tool/summarycalendar/ui/CalendarBean.java	(revision 106476)
+++ calendar-summary-tool/tool/src/java/org/sakaiproject/tool/summarycalendar/ui/CalendarBean.java	(revision 106477)
@@ -860,4 +860,11 @@
 		Calendar c = Calendar.getInstance(getCurrentUserTimezone(),msgs.getLocale());
 		return new CalendarUtil(c).getCalendarDaysOfWeekNames(false);
 	}
+	
+	/**
+	 * Tests if the options section should be displayed.
+	 */
+	public boolean isPreferencesVisible() {
+		return M_as.unlock(CalendarService.AUTH_OPTIONS_CALENDAR, M_ca.calendarReference(getSiteId(), SiteService.MAIN_CONTAINER));
+	}
 }
Index: calendar-summary-tool/tool/src/webapp/summary-calendar/calendar.jsp
===================================================================
--- calendar-summary-tool/tool/src/webapp/summary-calendar/calendar.jsp	(revision 106476)
+++ calendar-summary-tool/tool/src/webapp/summary-calendar/calendar.jsp	(revision 106477)
@@ -23,7 +23,7 @@
 
 	<h:form id="calendarForm">
 	<h:panelGroup>
-       <sakai:tool_bar rendered="#{CalBean.userId ne null}">
+        <sakai:tool_bar rendered="#{CalBean.userId ne null && CalBean.preferencesVisible}">
 			<sakai:tool_bar_item action="#{MenuBean.processPreferences}" value="#{msgs.menu_prefs}" immediate="true" />
 		</sakai:tool_bar>
     </h:panelGroup>
Index: calendar-api/api/src/java/org/sakaiproject/calendar/api/CalendarService.java
===================================================================
--- calendar-api/api/src/java/org/sakaiproject/calendar/api/CalendarService.java	(revision 106476)
+++ calendar-api/api/src/java/org/sakaiproject/calendar/api/CalendarService.java	(revision 106477)
@@ -85,6 +85,9 @@
 
 	/** Security function granted to users who will then have membership in all site groups based on their site membership. */
 	public static final String AUTH_ALL_GROUPS_CALENDAR = "calendar.all.groups";
+	
+	/** Security lock for adding to a calendar. */
+	public static final String AUTH_OPTIONS_CALENDAR = "calendar.options";
 
 	/** The Reference type for a calendar. */
 	public static final String REF_TYPE_CALENDAR = "calendar";
Index: calendar-impl/impl/src/java/org/sakaiproject/calendar/impl/BaseCalendarService.java
===================================================================
--- calendar-impl/impl/src/java/org/sakaiproject/calendar/impl/BaseCalendarService.java	(revision 106476)
+++ calendar-impl/impl/src/java/org/sakaiproject/calendar/impl/BaseCalendarService.java	(revision 106477)
@@ -634,6 +634,7 @@
 		FunctionManager.registerFunction(AUTH_SUBSCRIBE_CALENDAR);
 		FunctionManager.registerFunction(AUTH_READ_CALENDAR);
 		FunctionManager.registerFunction(AUTH_ALL_GROUPS_CALENDAR);
+		FunctionManager.registerFunction(AUTH_OPTIONS_CALENDAR);
 	}
 
 	/**