diff --git a/member-fees.scm b/member-fees.scm
index 1f56cce..0333d81 100644
--- a/member-fees.scm
+++ b/member-fees.scm
@@ -49,7 +49,8 @@
 	 month
 	 ansi
 	 table
-	 members-base)
+	 members-base
+	 period)
 
  ;; Returns a list of months where each month is a list containing:
  ;; * month (from month module)
@@ -59,7 +60,7 @@
    (let ((last-month (if (null? args)
 			 (*current-month*)
 			 (car args))))
-     (let loop ((cm (member-record-info mr 'joined))
+     (let loop ((cm (period-since (member-record-info mr 'member)))
 		(cal '()))
        (if (month>? cm last-month)
 	   (reverse cal)
diff --git a/member-parser.scm b/member-parser.scm
index 50f81e7..b67cbb6 100644
--- a/member-parser.scm
+++ b/member-parser.scm
@@ -103,13 +103,6 @@
 	      (if ok?
 		  mr1
 		  (member-record-add-highlight mr1 line-number msg 3 'error))))
-	   ((joined)
-	    (let* ((month (string->month (car value)))
-		   (mr0 (member-record-sub-set mr output key month)))
-	      (if month
-		  mr0
-		  (member-record-add-highlight
-		   mr0 (cdr value) "Invalid month specification" 3 'error))))
 	   ((card desfire)
 	    (member-record-sub-set mr output key
 				   (map
@@ -139,7 +132,7 @@
    (apply
     member-record-sub-ensure
     mr 'info
-    'member (make-period (*member-default-joined*) #f)
+    'member (list (make-period (*member-default-joined*) #f))
     (join (map (lambda (mk) (list mk #f)) mandatory-keys))))
 
  ;; Pass 0: Removes any comments and removes any leading and trailing
diff --git a/member-print.scm b/member-print.scm
index b2f3c14..2fc403c 100644
--- a/member-print.scm
+++ b/member-print.scm
@@ -98,8 +98,6 @@
 	  (body (map (lambda (k)
 		       (let ((v (dict-ref info k)))
 			 (case k
-			   ((joined)
-			    (list k (month->string v)))
 			   ((card desfire credit)
 			    (list k 
 				  (table->string
@@ -108,7 +106,7 @@
 				      (list (car c) (cdr c)))
 				    v)
 				   #:col-border #t)))
-			   ((suspend student)
+			   ((suspend student member)
 			    (list k
 				  (table->string
 				   (cons (list "Since" "Until")
diff --git a/member-record.scm b/member-record.scm
index b0510e3..aced5fc 100644
--- a/member-record.scm
+++ b/member-record.scm
@@ -263,11 +263,10 @@
    (and (not (member-destroyed? mr))
 	(not (member-suspended? mr))))
 
- ;; Returns true if the member has joined.
+ ;; Returns true if the member is currently a member
  (define (member-existing? mr)
-   (let ((joined (member-record-info mr 'joined)))
-     (and joined
-	  (month<=? joined (*current-month*)))))
+   (month-in-periods?
+    (member-record-info mr 'member)))
 
  ;; Returns a list of flags of given member record.
  (define (member-flags mr)