diff --git a/mens-api/src/main/java/kr/xit/biz/nice/service/BizNiceCiService.java b/mens-api/src/main/java/kr/xit/biz/nice/service/BizNiceCiService.java
index fe8038f..20ba336 100644
--- a/mens-api/src/main/java/kr/xit/biz/nice/service/BizNiceCiService.java
+++ b/mens-api/src/main/java/kr/xit/biz/nice/service/BizNiceCiService.java
@@ -4,7 +4,6 @@ import egovframework.com.cmm.EgovMessageSource;
 import javax.transaction.Transactional;
 import kr.xit.biz.cmm.service.CmmEnsCacheService;
 import kr.xit.biz.common.ApiConstants.SignguCode;
-import kr.xit.biz.ens.model.nice.NiceCiDTO.IpinCiReqEncData;
 import kr.xit.biz.ens.model.nice.NiceCiDTO.IpinCiResDataBody;
 import kr.xit.biz.ens.model.nice.NiceCiDTO.IpinCiResponse;
 import kr.xit.biz.ens.model.nice.NiceCiDTO.NiceCiInfo;
@@ -22,8 +21,6 @@ import kr.xit.biz.ens.model.nice.NiceCiDTO.TokenRevokeResDataBody;
 import kr.xit.biz.ens.model.nice.NiceCiDTO.TokenRevokeResponse;
 import kr.xit.biz.nice.mapper.IBizNiceCiMapper;
 import kr.xit.core.exception.BizRuntimeException;
-import kr.xit.core.support.utils.DateUtils;
-import kr.xit.core.support.utils.IpMacUtils;
 import kr.xit.core.support.utils.JsonUtils;
 import kr.xit.ens.cmm.CmmEnsUtils;
 import kr.xit.ens.nice.cmm.CmmNiceCiUtils;
@@ -288,17 +285,7 @@ public class BizNiceCiService extends EgovAbstractServiceImpl implements IBizNic
     // 아이핀 CI 요청
     //--------------------------------------------------------------------------------
     public IpinCiResponse requestCi(final NiceCiRequest reqDTO) {
-        NiceCiInfo niceDTO = CmmNiceCiUtils.getSymkeyNiceCiInfo(reqDTO);
-        IpinCiReqEncData encDataDTO = IpinCiReqEncData.builder()
-            .siteCode(niceDTO.getSiteCode())
-            //.infoReqType()  //default: 1-CI제공
-            .juminId(reqDTO.getJuminId())
-            .reqNo(CmmEnsUtils.generateLengthUuid(30))
-            .reqDtim(DateUtils.getTodayAndNowTime("yyyyMMddHHmmss"))
-            .clientIp(IpMacUtils.getIpAddress().get(0))
-            .build();
-
-        IpinCiResponse ipinCiResponse = niceCiService.requestCi(CmmEnsUtils.generateLengthUuid(24), encDataDTO, niceDTO);
+        IpinCiResponse ipinCiResponse = niceCiService.requestCi(reqDTO);
 
         ResponseDataHeader resHeader = ipinCiResponse.getDataHeader();
         IpinCiResDataBody resBody = ipinCiResponse.getDataBody();
@@ -308,6 +295,7 @@ public class BizNiceCiService extends EgovAbstractServiceImpl implements IBizNic
         //FIXME::응답무결성 체크
         // 응답으로온 intigrety_value와 응답 enc_data를 Hmac한 값을 비교
         // 무결성체크가 완료되면 데이터를 보낸 대칭키로 복호화하여 데이터를 확인
+        NiceCiInfo niceDTO = CmmNiceCiUtils.getSymkeyNiceCiInfo(reqDTO);
         String checkHmac = CmmEnsUtils.encodeHmacSha256(niceDTO.getCurSymkeyHmacKey(), resEncData);
         if(resBody.getIntegrityValue().equals(checkHmac)){
             String decData = CmmEnsUtils.decodeAesData(resEncData, niceDTO.getCurSymkeyKey(), niceDTO.getCurSymkeyIv());
diff --git a/mens-api/src/main/java/kr/xit/biz/nice/web/BizNiceCiController.java b/mens-api/src/main/java/kr/xit/biz/nice/web/BizNiceCiController.java
index c38b5c3..5b231fb 100644
--- a/mens-api/src/main/java/kr/xit/biz/nice/web/BizNiceCiController.java
+++ b/mens-api/src/main/java/kr/xit/biz/nice/web/BizNiceCiController.java
@@ -45,6 +45,21 @@ import org.springframework.web.bind.annotation.RestController;
 @RestController
 @RequestMapping(value = "/api/biz/nice/v1")
 public class BizNiceCiController {
+
+    private static final String PARAM1 = """
+                        {
+                          "signguCode": "88328",
+                          "ffnlgCode": "11",
+                          "juminId": "9901011263512"
+                        }
+                    """;
+    private static final String PARAM2 = """
+                        {
+                          "signguCode": "88316",
+                          "ffnlgCode": "11",
+                          "juminId": "9901011263512"
+                        }
+                    """;
     private final IBizNiceCiService service;
 
     //--------------------------------------------------------------------------------
@@ -56,20 +71,10 @@ public class BizNiceCiController {
             examples = {
                 @ExampleObject(
                     name = "교통시설운영처",
-                    value = """
-                        {
-                          "signguCode": "88328",
-                          "ffnlgCode": "11"
-                        }
-                    """),
+                    value = PARAM1),
                 @ExampleObject(
                     name = "장사시설",
-                    value = """
-                        {
-                          "signguCode": "88316",
-                          "ffnlgCode": "11"
-                        }
-                    """)
+                    value = PARAM2)
         })
     })
     @Operation(summary = "기관용 토큰 발급 요청", description = "기관용 토큰 발급 요청")
@@ -85,20 +90,10 @@ public class BizNiceCiController {
             examples = {
                 @ExampleObject(
                     name = "교통시설운영처",
-                    value = """
-                        {
-                          "signguCode": "88328",
-                          "ffnlgCode": "11"
-                        }
-                    """),
+                    value = PARAM1),
                 @ExampleObject(
                     name = "장사시설",
-                    value = """
-                        {
-                          "signguCode": "88316",
-                          "ffnlgCode": "11"
-                        }
-                    """)
+                    value = PARAM2)
             })
     })
     @Operation(summary = "기관용 토큰 폐기", description = "기관용 토큰 폐기")
@@ -126,20 +121,10 @@ public class BizNiceCiController {
             examples = {
                 @ExampleObject(
                     name = "교통시설운영처",
-                    value = """
-                        {
-                          "signguCode": "88328",
-                          "ffnlgCode": "11"
-                        }
-                    """),
+                    value = PARAM1),
                 @ExampleObject(
                     name = "장사시설",
-                    value = """
-                        {
-                          "signguCode": "88316",
-                          "ffnlgCode": "11"
-                        }
-                    """)
+                    value = PARAM2)
             })
     })
     @Operation(summary = "공개키 요청", description = "공개키 요청")
@@ -161,20 +146,10 @@ public class BizNiceCiController {
             examples = {
                 @ExampleObject(
                     name = "교통시설운영처",
-                    value = """
-                        {
-                          "signguCode": "88328",
-                          "ffnlgCode": "11"
-                        }
-                    """),
+                    value = PARAM1),
                 @ExampleObject(
                     name = "장사시설",
-                    value = """
-                        {
-                          "signguCode": "88316",
-                          "ffnlgCode": "11"
-                        }
-                    """)
+                    value = PARAM2)
             })
     })
     @Operation(summary = "대칭키(symmetrickey) 등록 요청", description = "대칭키(symmetrickey) 등록 요청")
@@ -197,20 +172,10 @@ public class BizNiceCiController {
             examples = {
                 @ExampleObject(
                     name = "교통시설운영처",
-                    value = """
-                        {
-                          "signguCode": "88328",
-                          "ffnlgCode": "11"
-                        }
-                    """),
+                    value = PARAM1),
                 @ExampleObject(
                     name = "장사시설",
-                    value = """
-                        {
-                          "signguCode": "88316",
-                          "ffnlgCode": "11"
-                        }
-                    """)
+                    value = PARAM2)
             })
     })
     @Operation(summary = "아이핀 CI 요청", description = "아이핀 CI 요청")
diff --git a/mens-api/src/main/java/kr/xit/ens/nice/cmm/CmmNiceCiUtils.java b/mens-api/src/main/java/kr/xit/ens/nice/cmm/CmmNiceCiUtils.java
index 5b6b0e5..8767632 100644
--- a/mens-api/src/main/java/kr/xit/ens/nice/cmm/CmmNiceCiUtils.java
+++ b/mens-api/src/main/java/kr/xit/ens/nice/cmm/CmmNiceCiUtils.java
@@ -85,6 +85,7 @@ public class CmmNiceCiUtils {
         }
 
         // 2. 공개키 발급 처리
+        //TODO::에러 처리 - throw exception
         bizNiceService.requestPublickey(reqDTO);
 
         return cacheService.getNiceCiInfoCache(reqDTO.getSignguCode(), reqDTO.getFfnlgCode());
@@ -105,6 +106,7 @@ public class CmmNiceCiUtils {
         if(DateUtils.getTodayAndNowTime("yyyyMMddHHmmss").compareTo(niceDTO.getCurSymkeyValidDtim()) < 0)   return niceDTO;
 
         // 대칭키 발행 등록
+        //TODO::에러 처리 - throw exception
         bizNiceService.requestRegSymmetrickey(reqDTO);
 
         return cacheService.getNiceCiInfoCache(reqDTO.getSignguCode(), reqDTO.getFfnlgCode());
diff --git a/mens-api/src/main/java/kr/xit/ens/nice/service/INiceCiService.java b/mens-api/src/main/java/kr/xit/ens/nice/service/INiceCiService.java
index e595732..a6d6eea 100644
--- a/mens-api/src/main/java/kr/xit/ens/nice/service/INiceCiService.java
+++ b/mens-api/src/main/java/kr/xit/ens/nice/service/INiceCiService.java
@@ -1,8 +1,6 @@
 package kr.xit.ens.nice.service;
 
-import kr.xit.biz.ens.model.nice.NiceCiDTO.IpinCiReqEncData;
 import kr.xit.biz.ens.model.nice.NiceCiDTO.IpinCiResponse;
-import kr.xit.biz.ens.model.nice.NiceCiDTO.NiceCiInfo;
 import kr.xit.biz.ens.model.nice.NiceCiDTO.NiceCiRequest;
 import kr.xit.biz.ens.model.nice.NiceCiDTO.NiceTokenResponse;
 import kr.xit.biz.ens.model.nice.NiceCiDTO.PublickeyResponse;
@@ -55,7 +53,7 @@ public interface INiceCiService {
     //--------------------------------------------------------------------------------
     // 아이핀 CI 요청
     //--------------------------------------------------------------------------------
-    IpinCiResponse requestCi(final String tranId, final IpinCiReqEncData encDataDTO, final NiceCiInfo niceDTO);
+    IpinCiResponse requestCi(final NiceCiRequest reqDTO);
     //--------------------------------------------------------------------------------
     // 아이핀 CI 요청
     //--------------------------------------------------------------------------------
diff --git a/mens-api/src/main/java/kr/xit/ens/nice/service/NiceCiService.java b/mens-api/src/main/java/kr/xit/ens/nice/service/NiceCiService.java
index 4a37428..2e76f97 100644
--- a/mens-api/src/main/java/kr/xit/ens/nice/service/NiceCiService.java
+++ b/mens-api/src/main/java/kr/xit/ens/nice/service/NiceCiService.java
@@ -25,6 +25,7 @@ import kr.xit.core.exception.BizRuntimeException;
 import kr.xit.core.spring.annotation.TraceLogging;
 import kr.xit.core.spring.util.ApiWebClientUtil;
 import kr.xit.core.support.utils.DateUtils;
+import kr.xit.core.support.utils.IpMacUtils;
 import kr.xit.core.support.utils.JsonUtils;
 import kr.xit.ens.cmm.CmmEnsUtils;
 import kr.xit.ens.nice.cmm.CmmNiceCiUtils;
@@ -250,9 +251,19 @@ public class NiceCiService extends EgovAbstractServiceImpl implements INiceCiSer
     //--------------------------------------------------------------------------------
     // 아이핀 CI 요청
     //--------------------------------------------------------------------------------
-    public IpinCiResponse requestCi(final String tranId, final IpinCiReqEncData encDataDTO, final NiceCiInfo niceDTO) {
+    public IpinCiResponse requestCi(final NiceCiRequest reqDTO) {
+        NiceCiInfo niceDTO = CmmNiceCiUtils.getSymkeyNiceCiInfo(reqDTO);
+        IpinCiReqEncData encDataDTO = IpinCiReqEncData.builder()
+            .siteCode(niceDTO.getSiteCode())
+            //.infoReqType()  //default: 1-CI제공
+            .juminId(reqDTO.getJuminId())
+            .reqNo(CmmEnsUtils.generateLengthUuid(30))
+            .reqDtim(DateUtils.getTodayAndNowTime("yyyyMMddHHmmss"))
+            .clientIp(IpMacUtils.getIpAddress().get(0))
+            .build();
         CmmEnsUtils.validate(encDataDTO);
 
+        final String tranId = CmmEnsUtils.generateLengthUuid(24);
         final String jsonEncData = CmmEnsUtils.encodeAesData(niceDTO.getCurSymkeyKey(), niceDTO.getCurSymkeyIv(), JsonUtils.toJson(encDataDTO));
         final String integrityValue = CmmEnsUtils.encodeHmacSha256(niceDTO.getCurSymkeyHmacKey(), jsonEncData);
 
diff --git a/mens-api/src/main/java/kr/xit/ens/nice/web/NiceCiController.java b/mens-api/src/main/java/kr/xit/ens/nice/web/NiceCiController.java
index f75a3c9..9edcc2e 100644
--- a/mens-api/src/main/java/kr/xit/ens/nice/web/NiceCiController.java
+++ b/mens-api/src/main/java/kr/xit/ens/nice/web/NiceCiController.java
@@ -2,13 +2,8 @@ package kr.xit.ens.nice.web;
 
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
-import kr.xit.biz.ens.model.nice.NiceCiDTO.IpinCiReqEncData;
-import kr.xit.biz.ens.model.nice.NiceCiDTO.NiceCiInfo;
 import kr.xit.biz.ens.model.nice.NiceCiDTO.NiceCiRequest;
 import kr.xit.core.model.ApiResponseDTO;
-import kr.xit.core.support.utils.DateUtils;
-import kr.xit.core.support.utils.IpMacUtils;
-import kr.xit.ens.cmm.CmmEnsUtils;
 import kr.xit.ens.nice.cmm.CmmNiceCiUtils;
 import kr.xit.ens.nice.service.INiceCiService;
 import lombok.RequiredArgsConstructor;
@@ -94,24 +89,7 @@ public class NiceCiController {
     @Operation(summary = "아이핀 CI 요청", description = "아이핀 CI 요청")
     @PostMapping(value = "/requestCi", produces = MediaType.APPLICATION_JSON_VALUE)
     public ApiResponseDTO<?> requestCi(@RequestBody final NiceCiRequest reqDTO) {
-        NiceCiInfo niceDTO = CmmNiceCiUtils.getNiceCiInfo(reqDTO);
-
-        IpinCiReqEncData encDataDTO = IpinCiReqEncData.builder()
-            .siteCode(niceDTO.getSiteCode())
-            //.infoReqType()  //default: 1-CI제공
-            .juminId(reqDTO.getJuminId())
-            .reqNo(CmmEnsUtils.generateLengthUuid(30))
-            .reqDtim(DateUtils.getTodayAndNowTime("yyyyMMddHHmmss"))
-            .clientIp(IpMacUtils.getIpAddress().get(0))
-            .build();
-
-        return ApiResponseDTO.success(
-            service.requestCi(
-                CmmEnsUtils.generateLengthUuid(24),
-                encDataDTO,
-                CmmNiceCiUtils.getPublickeyNiceCiInfo(reqDTO)
-            )
-        );
+        return ApiResponseDTO.success(service.requestCi(reqDTO));
     }
     //--------------------------------------------------------------------------------
     // 아이핀 CI 요청
diff --git a/mens-core/src/main/java/kr/xit/biz/ens/model/nice/NiceCiDTO.java b/mens-core/src/main/java/kr/xit/biz/ens/model/nice/NiceCiDTO.java
index 6be5a62..36ffb04 100644
--- a/mens-core/src/main/java/kr/xit/biz/ens/model/nice/NiceCiDTO.java
+++ b/mens-core/src/main/java/kr/xit/biz/ens/model/nice/NiceCiDTO.java
@@ -57,16 +57,6 @@ public class NiceCiDTO {
         @NotEmpty(message = "과태료 코드는 필수 입니다")
         private String ffnlgCode = "11";
 
-        /**
-         * <pre>
-         * TRAN_ID : 요청한값 그대로 return
-         * 고유번호 : 최대 24
-         * </pre>
-         */
-//        @Schema(requiredMode = RequiredMode.AUTO, title = "TRAN_ID", example = "20230906120000")
-//        @Size(max = 24, message = "TRAN_ID는 24자를 넘을 수 없습니다.")
-//        private String tranId;;
-
         /**
          * 주민Id
          */
@@ -690,14 +680,13 @@ public class NiceCiDTO {
          */
         @Schema(requiredMode = RequiredMode.REQUIRED, title = "정보요청유형", description = "정보요청유형", example = "1")
         @NotEmpty(message = "정보요청유형은 필수 입니다(1:CI요청)")
-        @Size(max = 1)
         private final String infoReqType = "1";
 
         /**
          * 주민번호 13자리
          */
         @Schema(requiredMode = RequiredMode.REQUIRED, title = "주민번호", description = "주민번호13자리", example = " ")
-        @Size(min = 13, max = 13, message = "주민번호(13자리)는 필수 입니다")
+        @NotEmpty(message = "주민번호(13자리)는 필수 입니다")
         private String juminId;
 
         /**
@@ -705,14 +694,13 @@ public class NiceCiDTO {
          */
         @Schema(requiredMode = RequiredMode.REQUIRED, title = "요청번호", description = "이용기관에서 서비스에 대한 요청거래를 확인하기 위한 고유값", example = " ")
         @NotEmpty(message = "요청번호는 필수 입니다(30자리)")
-        @Size(max = 30)
         private String reqNo;
 
         /**
          * 거래요청시간 : YYYYMMDDHH24MISS
          */
         @Schema(requiredMode = RequiredMode.REQUIRED, title = "거래요청시간", description = "거래요청시간(YYYYMMDDHH24MISS)", example = " ")
-        @Size(min = 14, max = 14, message = "거래요청시간(14자리)은 필수 입니다")
+        @NotEmpty(message = "거래요청시간(14자리)은 필수 입니다")
         private String reqDtim;
 
         /**