diff --git a/src/main/resources/mybatis/mapper/crdn/crndRegistAndView/main/CrdnLevyPrvntcMapper_maria.xml b/src/main/resources/mybatis/mapper/crdn/crndRegistAndView/main/CrdnLevyPrvntcMapper_maria.xml
index fe570e4..b6d1b58 100644
--- a/src/main/resources/mybatis/mapper/crdn/crndRegistAndView/main/CrdnLevyPrvntcMapper_maria.xml
+++ b/src/main/resources/mybatis/mapper/crdn/crndRegistAndView/main/CrdnLevyPrvntcMapper_maria.xml
@@ -45,7 +45,7 @@
                pi.PSTN_IDX_NO, -- 위치지수 NO
                pi.PSTN_IDX, -- 위치지수
                substring(t3.ACT_BGNG_YMD,1,4) as ELPS_YR_RDVLRT_YR,
-               CASE WHEN (CAST(substring(t3.ACT_BGNG_YMD,1,4) as SIGNED)-CAST(t1.CRDN_YR as SIGNED)) >= strct.RDVLRT_CN_YR_CNT THEN strct.LAST_YR_RDVLRT
+               CASE WHEN ( CAST(t1.CRDN_YR as SIGNED) - CAST(substring(t3.ACT_BGNG_YMD,1,4) as SIGNED) ) >= strct.RDVLRT_CN_YR_CNT THEN strct.LAST_YR_RDVLRT
                     ELSE 1-(
                                 (CAST(t1.CRDN_YR as SIGNED) - CAST(substring(t3.ACT_BGNG_YMD,1,4) as SIGNED))
                                 * strct.DPRT