diff --git a/src/main/java/cokr/xit/interfaces/lvis/service/bean/VehicleInfoBean.java b/src/main/java/cokr/xit/interfaces/lvis/service/bean/VehicleInfoBean.java
index b1cee8f..652437d 100644
--- a/src/main/java/cokr/xit/interfaces/lvis/service/bean/VehicleInfoBean.java
+++ b/src/main/java/cokr/xit/interfaces/lvis/service/bean/VehicleInfoBean.java
@@ -49,15 +49,22 @@ public class VehicleInfoBean extends AbstractComponent {
 	@Resource(name = "vehicleInfoMapper")
 	private VehicleInfoMapper vehicleInfoMapper;
 
+	/**주어진 조건의 자동차 기본정보를 반환한다.
+	 * @param req 자동차 기본정보 조회 조건
+	 * @return 자동차 기본정보
+	 */
 	public BasicInfoResponse getBasicInfo(BasicInfoRequest req) {
 		try {
 			req.validate();
 			if (lvisHost.isLocal())
 				return getLocalBasicInfo(req);
 
-			FindRegBasicReturn resp = new CarRegBasicInfoProxy(lvisHost.getAddress()).findRegBasic(req.getParams(), getRequestContext(req.getServiceID()));
+			FindRegBasicReturn resp = new CarRegBasicInfoProxy(lvisHost.getAddress())
+				.findRegBasic(req.getParams(), getRequestContext(req.getServiceID()));
 			BasicInfoResponse result = BasicInfoResponse.getResult(resp);
 			boolean success = result.getBasicInfo().isSuccess();
+			if (success)
+				result.getBasicInfo().setSggCd(req.getSggCd());
 			log().debug("자동차 기본정보를 {}", (success ? "찾았습니다." : "찾지 못했습니다."));
 
 			boolean keepLog = properties.getBoolean("lvis.log.basicInfo", false);
@@ -82,24 +89,34 @@ public class VehicleInfoBean extends AbstractComponent {
 		List<BasicInfoResponse.BasicInfo> list = vehicleInfoMapper.selectBasicInfo(req);
 		boolean empty = list.isEmpty();
 		BasicInfoResponse.BasicInfo basicInfo = !empty ? list.get(0) : new BasicInfoResponse.BasicInfo();
-		if (!empty)
+		if (!empty) {
 			basicInfo.setProcess_imprty_resn_code("00");
+			basicInfo.setSggCd(req.getSggCd());
+		}
 
 		BasicInfoResponse response = new BasicInfoResponse();
 		response.setBasicInfo(basicInfo);
 		return response;
 	}
 
-	public Map<String, BasicInfoResponse> getBasicInfo(List<BasicInfoRequest> reqs) {
+	/**주어진 조건의 자동차 기본정보들을 반환한다.
+	 * @param reqs 자동차 기본정보 조회 조건
+	 * @return 자동차 기본정보
+	 */
+	public List<BasicInfoResponse> getBasicInfo(List<BasicInfoRequest> reqs) {
 		return reqs.stream()
 			.map(this::getBasicInfo)
 			.filter(resp -> resp.getBasicInfo().isSuccess())
-			.collect(Collectors.toMap(
-				resp -> resp.getBasicInfo().getVhrno(),
-				resp -> resp
-			));
+			.collect(Collectors.groupingBy(resp -> resp.getBasicInfo().getKey()))
+			.entrySet().stream()
+			.map(entry -> entry.getValue().get(0))
+			.toList();
 	}
 
+	/**주어진 조건의 자동차 등록원부(갑)를 반환한다.
+	 * @param req 자동차 등록원부(갑) 조회 조건
+	 * @return 자동차 등록원부(갑)
+	 */
 	public FrmrWlthReadngResponse getFrmrWlthReadng(FrmrWlthReadngRequest req) {
 		try {
 			req.validate();
@@ -114,6 +131,10 @@ public class VehicleInfoBean extends AbstractComponent {
 		}
 	}
 
+	/**주어진 조건의 자동차 등록원부(을)를 반환한다.
+	 * @param req 자동차 등록원부(을) 조회 조건
+	 * @return 자동차 등록원부(을)
+	 */
 	public ScldgrReadngResponse getScldgrReadng(ScldgrReadngRequest req) {
 		try {
 			req.validate();
@@ -128,6 +149,10 @@ public class VehicleInfoBean extends AbstractComponent {
 		}
 	}
 
+	/**주어진 조건의 압류내역을 반환한다.
+	 * @param req 압류내역 조회 조건
+	 * @return 압류내역
+	 */
 	public SeizureByVhrNoResponse getSeizureByVhrNo(SeizureByVhrNoRequest req) {
 		try {
 			req.validate();
@@ -142,6 +167,10 @@ public class VehicleInfoBean extends AbstractComponent {
 		}
 	}
 
+	/**주어진 압류내역을 등록한다.
+	 * @param req 등록할 압류내역
+	 * @return 압류내역 등록 결과
+	 */
 	public SeizureByEttffResponse addAutoSeizureByEttff(SeizureByEttffRequest req) {
 		try {
 			req.validate();
@@ -156,6 +185,10 @@ public class VehicleInfoBean extends AbstractComponent {
 		}
 	}
 
+	/**주어진 조건의 대체압류차량 정보를 반환한다.
+	 * @param req 대체압류차량 조회조건
+	 * @return 대체압류차량 정보
+	 */
 	public AltrtvSeizureVhrnoResponse getAltrtvSeizureVhrno(AltrtvSeizureVhrnoRequest req) {
 		try {
 			req.validate();
@@ -170,6 +203,10 @@ public class VehicleInfoBean extends AbstractComponent {
 		}
 	}
 
+	/**주어진 조건의 번호판 영치대상 정보를 반환한다.
+	 * @param req 번호판 영치대상 조회조건
+	 * @return 번호판 영치대상 정보
+	 */
 	public CustodyTrgetResponse getCustodyTrget(CustodyTrgetRequest req) {
 		try {
 			req.validate();
diff --git a/src/main/java/cokr/xit/interfaces/lvis/service/reg/BasicInfoRequest.java b/src/main/java/cokr/xit/interfaces/lvis/service/reg/BasicInfoRequest.java
index c4b3624..0f615e0 100644
--- a/src/main/java/cokr/xit/interfaces/lvis/service/reg/BasicInfoRequest.java
+++ b/src/main/java/cokr/xit/interfaces/lvis/service/reg/BasicInfoRequest.java
@@ -36,6 +36,8 @@ public class BasicInfoRequest extends LvisRequest {
 	private String inqire_se_code;
 	/** 부과기준일자 */
 	private String levy_stdde;
+	/** 시군구 코드 */
+	private String sggCd;
 
 	@Override
 	public String getServiceID() {
diff --git a/src/main/java/cokr/xit/interfaces/lvis/service/reg/BasicInfoResponse.java b/src/main/java/cokr/xit/interfaces/lvis/service/reg/BasicInfoResponse.java
index aa036a8..20addef 100644
--- a/src/main/java/cokr/xit/interfaces/lvis/service/reg/BasicInfoResponse.java
+++ b/src/main/java/cokr/xit/interfaces/lvis/service/reg/BasicInfoResponse.java
@@ -302,6 +302,8 @@ public class BasicInfoResponse extends LvisResponse {
 		private String cbd_hg;
 		/** 최초최대적재량 */
 		private String frst_mxmm_ldg;
+		/** 시군구 코드 */
+		private String sggCd;
 
 		/**자동차 기본정보 조회 결과를 설정한다.
 		 * @param resp 자동차 기본정보 조회 결과
@@ -398,5 +400,12 @@ public class BasicInfoResponse extends LvisResponse {
 
 			return this;
 		}
+
+		/**"차량번호-소유자 회원번호"를 반환한다.
+		 * @return "차량번호-소유자 회원번호"
+		 */
+		public String getKey() {
+			return String.format("%s-%s", vhrno, mber_se_no);
+		}
 	}
 }
\ No newline at end of file