diff --git a/SOPE/NGCards/iCalRecurrenceRule.h b/SOPE/NGCards/iCalRecurrenceRule.h
index 53a254e76..478f507f8 100644
--- a/SOPE/NGCards/iCalRecurrenceRule.h
+++ b/SOPE/NGCards/iCalRecurrenceRule.h
@@ -82,10 +82,13 @@ typedef enum {
 
 - (void) setFrequency: (iCalRecurrenceFrequency) _frequency;
 - (iCalRecurrenceFrequency) frequency;
+- (iCalRecurrenceFrequency) valueForFrequency: (NSString *) value;
 
 - (void) setRepeatInterval: (int) _repeatInterval;
 - (int) repeatInterval;
 
+- (void) setInterval: (NSString *) _interval;
+
 - (void) setWeekStart: (iCalWeekDay) _weekStart;
 - (iCalWeekDay) weekStart;
 
diff --git a/SOPE/NGCards/iCalRepeatableEntityObject.h b/SOPE/NGCards/iCalRepeatableEntityObject.h
index d3225468c..08f19f819 100644
--- a/SOPE/NGCards/iCalRepeatableEntityObject.h
+++ b/SOPE/NGCards/iCalRepeatableEntityObject.h
@@ -43,6 +43,7 @@
 
 - (void)removeAllRecurrenceRules;
 - (void)addToRecurrenceRules:(id)_rrule;
+- (void)setRecurrenceRules:(id)_rrule;
 - (BOOL)hasRecurrenceRules;
 - (NSArray *)recurrenceRules;