diff --git a/mens-api/src/main/java/kr/xit/biz/sisul/mapper/IBizSisulMapper.java b/mens-api/src/main/java/kr/xit/biz/sisul/mapper/IBizSisulMapper.java
index de6d205..4755dc6 100644
--- a/mens-api/src/main/java/kr/xit/biz/sisul/mapper/IBizSisulMapper.java
+++ b/mens-api/src/main/java/kr/xit/biz/sisul/mapper/IBizSisulMapper.java
@@ -42,6 +42,7 @@ public interface IBizSisulMapper {
 
     int insertCntcMst(CntcDTO.SndngMst dto);
     int insertCntcDetail(CntcDTO.SndngMst dto);
+    int deleteCi(CntcDTO.SndngMst dto);
     int deleteCntcMst(CntcDTO.SndngMst dto);
     int deleteCntcDetail(CntcDTO.SndngMst dto);
 }
diff --git a/mens-api/src/main/java/kr/xit/biz/sisul/service/BizSisulService.java b/mens-api/src/main/java/kr/xit/biz/sisul/service/BizSisulService.java
index c6411d5..57ce198 100644
--- a/mens-api/src/main/java/kr/xit/biz/sisul/service/BizSisulService.java
+++ b/mens-api/src/main/java/kr/xit/biz/sisul/service/BizSisulService.java
@@ -1253,6 +1253,8 @@ public class BizSisulService extends AbstractService implements IBizSisulService
         if(ApiConstants.SndngProcessStatus.ACCEPT.getCode().equals(cntcDto.getSndngProcessSttus())){
             if(mapper.insertCntcMst(cntcDto) < 1) throw BizRuntimeException.create("접수 정보 백업(마스터) 실패");
             if(mapper.deleteCntcMst(cntcDto) < 1) throw BizRuntimeException.create("접수 원본 삭제(마스터) 실패");
+            //CI가 없을 경우 오류 안 생기도록 처리
+            mapper.deleteCi(cntcDto);
             if(mapper.insertCntcDetail(cntcDto) < 1) throw BizRuntimeException.create("접수 정보 백업(상세) 실패");
             if(mapper.deleteCntcDetail(cntcDto) < 1) throw BizRuntimeException.create("접수 정보 삭제(상세) 실패");
 
diff --git a/mens-api/src/main/resources/egovframework/mapper/biz/ens-sisul-mysql-mapper.xml b/mens-api/src/main/resources/egovframework/mapper/biz/ens-sisul-mysql-mapper.xml
index dd41479..4781e1c 100644
--- a/mens-api/src/main/resources/egovframework/mapper/biz/ens-sisul-mysql-mapper.xml
+++ b/mens-api/src/main/resources/egovframework/mapper/biz/ens-sisul-mysql-mapper.xml
@@ -273,6 +273,13 @@
       WHERE unity_sndng_mastr_id = #{unitySndngMastrId}
   </insert>
 
+  <delete id="deleteCi">
+     DELETE FROM tb_ens_ci
+     WHERE unity_sndng_detail_id in (
+         SELECT unity_sndng_detail_id from tb_cntc_sndng_detail WHERE unity_sndng_mastr_id = #{unitySndngMastrId}
+     )
+  </delete>
+
   <delete id="deleteCntcMst">
      DELETE FROM tb_cntc_sndng_mastr
       WHERE unity_sndng_mastr_id = #{unitySndngMastrId}