diff --git a/constant/checkin.constant.go b/constant/checkin.constant.go
index 36af390..4a7b7ac 100644
--- a/constant/checkin.constant.go
+++ b/constant/checkin.constant.go
@@ -1,7 +1,7 @@
 package constant
 
-const BAAN_RESULT = "baan-result"
 const RPKM_CONFIRM = "confirm-rpkm"
+const BAAN_RESULT = "baan-result"
 const RPKM_DAY_ONE = "rpkm-day-1"
 const RPKM_DAY_TWO = "rpkm-day-2"
 const FRESHY_NIGHT_CONFIRM = "freshy-night-confirm"
diff --git a/internal/checkin/checkin.handler.go b/internal/checkin/checkin.handler.go
index 6b2ac34..5e6b75f 100644
--- a/internal/checkin/checkin.handler.go
+++ b/internal/checkin/checkin.handler.go
@@ -205,6 +205,11 @@ func (h *handlerImpl) checkRegTime(event string) (bool, string) {
 			h.log.Named("checkRegTime").Warn(fmt.Sprintf("Forbidden: RPKM67 Confirmation Registration starts at %s", h.regConf.RpkmConfirmStart))
 			return false, fmt.Sprintf("RPKM67 Confirmation Registration starts at %s", h.regConf.RpkmConfirmStart)
 		}
+	case constant.BAAN_RESULT:
+		if nowGMTPlus7.Before(h.regConf.BaanResultStart) {
+			h.log.Named("checkRegTime").Warn(fmt.Sprintf("Forbidden: Baan Selection Result starts at %s", h.regConf.BaanResultStart))
+			return false, fmt.Sprintf("Baan Selection Result starts at %s", h.regConf.BaanResultStart)
+		}
 	case constant.RPKM_DAY_ONE:
 		if nowGMTPlus7.Before(h.regConf.RpkmDayOneStart) {
 			h.log.Named("checkRegTime").Warn(fmt.Sprintf("Forbidden: RPKM67 Day One Registration starts at %s", h.regConf.RpkmDayOneStart))