diff --git a/src/main/java/cokr/xit/foundation/data/DataFormat.java b/src/main/java/cokr/xit/foundation/data/DataFormat.java
index 08eb01a..05f48e1 100644
--- a/src/main/java/cokr/xit/foundation/data/DataFormat.java
+++ b/src/main/java/cokr/xit/foundation/data/DataFormat.java
@@ -7,22 +7,6 @@ import java.util.Date;
 import cokr.xit.foundation.AbstractComponent;
 
 public class DataFormat extends AbstractComponent {
-	/**'-'로 구분된 법인등록번호를 반환한다.
-	 * @param str '-'이 없는 법인등록번호
-	 * @return '-'로 구분된 법인등록번호
-	 */
-	public static final String corporateNo(String str) {
-		return !isEmpty(str) ? str.substring(0, 6) + "-" + str.substring(6) : "";
-	}
-
-	/**'-'로 구분된 사업자등록번호를 반환한다.
-	 * @param str '-'이 없는 사업자등록번호
-	 * @return '-'로 구분된 사업자등록번호
-	 */
-	public static final String businessNo(String str) {
-		return !isEmpty(str) ? str.substring(0, 3) + "-" + str.substring(3, 5) + "-" + str.substring(5) : "";
-	}
-
 	/**yyyyMMdd, 또는 yyMMdd 포맷의 문자열을 yyyy-MM-dd 포맷으로 변환하여 반환한다.
 	 * @param obj yyyyMMdd, 또는 yyMMdd 포맷의 문자열
 	 * @return yyyy-MM-dd 포맷 문자열
diff --git a/src/main/java/cokr/xit/foundation/data/RegistrationNumber.java b/src/main/java/cokr/xit/foundation/data/RegistrationNumber.java
new file mode 100644
index 0000000..cce7fa7
--- /dev/null
+++ b/src/main/java/cokr/xit/foundation/data/RegistrationNumber.java
@@ -0,0 +1,109 @@
+package cokr.xit.foundation.data;
+
+import cokr.xit.foundation.AbstractComponent;
+import cokr.xit.foundation.util.DateFormats;
+
+public class RegistrationNumber extends AbstractComponent {
+	public static enum Type {
+		RESIDENT,
+		FOREIGNER,
+		CORPORATE,
+		BUSINESS,
+		UNKNOWN
+	}
+
+	private static final DateFormats dateFormats = new DateFormats();
+
+	public static final Type getType(String str) {
+		if (isEmpty(str))
+			return Type.UNKNOWN;
+
+        String digits = str.replaceAll("[^0-9]", "");
+        int length = digits.length();
+        if (length == 10)
+			return Type.BUSINESS;
+        if (length != 13)
+        	return Type.UNKNOWN;
+
+        String yyMMdd = digits.substring(0, 6),
+        	   gender = Character.toString(digits.charAt(6)),
+        	   century = switch (gender) {
+        case "1", "2", "5", "6" -> "19";
+        case "3", "4", "7", "8" -> "20";
+        default -> "";
+        };
+        boolean date = dateFormats.isValid("yyyyMMdd", !isEmpty(century) ? century + yyMMdd : ""),
+        		person = ofPerson(digits);
+
+		if ("1,2,3,4".contains(gender) && date && person)
+       		return Type.RESIDENT;
+        if ("5,6,7,8".contains(gender))
+            	return Type.FOREIGNER;
+        if (ofCorporate(digits))
+        	return Type.CORPORATE;
+
+    	return Type.UNKNOWN;
+	}
+
+	private static final boolean ofPerson(String digits) {
+        int[] weights = {2, 3, 4, 5, 6, 7, 8, 9, 2, 3, 4, 5};
+    	int sum = 0;
+    	for (int i = 0; i < weights.length; i++) {
+            sum += Character.getNumericValue(digits.charAt(i)) * weights[i];
+        }
+        int last = Character.getNumericValue(digits.charAt(12)),
+			checkDigit = (11 - (sum % 11)) % 10;
+    	return checkDigit == last;
+	}
+
+	private static final boolean ofCorporate(String digits) {
+        int[] weights = new int[] {1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2};
+        int sum = 0;
+        for (int i = 0; i < weights.length; i++) {
+            int weightedValue = Character.getNumericValue(digits.charAt(i)) * weights[i];
+            sum += weightedValue;
+/*
+            // 곱한 결과가 두 자리면 각 자릿수를 더함
+            if (weightedValue >= 10) {
+                sum += (weightedValue / 10) + (weightedValue % 10);
+            } else {
+                sum += weightedValue;
+            }
+*/
+        }
+
+        int last = Character.getNumericValue(digits.charAt(12)),
+        	checkDigit = (10 - (sum % 10)) % 10;
+        return checkDigit == last;
+	}
+
+	/**'-'로 구분된 법인등록번호를 반환한다.
+	 * @param str '-'이 없는 법인등록번호
+	 * @return '-'로 구분된 법인등록번호
+	 */
+	public static final String corporateNo(String str) {
+		return !isEmpty(str) ? str.substring(0, 6) + "-" + str.substring(6) : "";
+	}
+
+	/**'-'로 구분된 사업자등록번호를 반환한다.
+	 * @param str '-'이 없는 사업자등록번호
+	 * @return '-'로 구분된 사업자등록번호
+	 */
+	public static final String businessNo(String str) {
+		return !isEmpty(str) ? str.substring(0, 3) + "-" + str.substring(3, 5) + "-" + str.substring(5) : "";
+	}
+/*
+	public static void main(String[] args) {
+		String str = "주민 750416-1067011: ";
+		System.out.println(str + getType(str));
+		str = "법인 110111-2429672: ";
+		System.out.println(str + getType(str));
+		str = "외국인 901225-5234567: ";
+		System.out.println(str + getType(str));
+		str = "외국인 000101-7012345: ";
+		System.out.println(str + getType(str));
+		str = "사업자 214-87-03698: ";
+		System.out.println(str + getType(str));
+	}
+*/
+}
\ No newline at end of file
diff --git a/src/main/java/cokr/xit/foundation/util/DateFormats.java b/src/main/java/cokr/xit/foundation/util/DateFormats.java
index f084795..48e8e35 100644
--- a/src/main/java/cokr/xit/foundation/util/DateFormats.java
+++ b/src/main/java/cokr/xit/foundation/util/DateFormats.java
@@ -27,4 +27,15 @@ public class DateFormats {
 			throw Assert.runtimeException(e);
 		}
 	}
+
+	public boolean isValid(String pattern, String str) {
+		if (Assert.isEmpty(str)) return false;
+
+		try {
+			dateFormat(pattern).parse(str);
+			return true;
+		} catch (Exception e) {
+			return false;
+		}
+	}
 }
\ No newline at end of file