diff --git a/jans-auth-server/client/src/main/java/io/jans/as/client/RegisterRequest.java b/jans-auth-server/client/src/main/java/io/jans/as/client/RegisterRequest.java
index 36a0b3da172..a830b1271a7 100644
--- a/jans-auth-server/client/src/main/java/io/jans/as/client/RegisterRequest.java
+++ b/jans-auth-server/client/src/main/java/io/jans/as/client/RegisterRequest.java
@@ -104,6 +104,9 @@ public class RegisterRequest extends BaseRequest {
     private SignatureAlgorithm tokenEndpointAuthSigningAlg;
     private Integer defaultMaxAge;
     private List<String> defaultAcrValues;
+    private Integer minimumAcrLevel;
+    private Boolean minimumAcrLevelAutoresolve;
+    private List<String> minimumAcrPriorityList;
     private String initiateLoginUri;
     private List<String> groups;
     private List<String> postLogoutRedirectUris;
@@ -154,6 +157,7 @@ public RegisterRequest() {
         this.grantTypes = new ArrayList<>();
         this.contacts = new ArrayList<>();
         this.defaultAcrValues = new ArrayList<>();
+        this.minimumAcrPriorityList = new ArrayList<>();
         this.postLogoutRedirectUris = new ArrayList<>();
         this.groups = new ArrayList<>();
         this.requestUris = new ArrayList<>();
@@ -1039,6 +1043,60 @@ public void setDefaultMaxAge(Integer defaultMaxAge) {
         this.defaultMaxAge = defaultMaxAge;
     }
 
+    /**
+     * Gets minimum acr level
+     *
+     * @return minimum acr level
+     */
+    public Integer getMinimumAcrLevel() {
+        return minimumAcrLevel;
+    }
+
+    /**
+     * Sets minimum acr level
+     *
+     * @param minimumAcrLevel minimum acr level
+     */
+    public void setMinimumAcrLevel(Integer minimumAcrLevel) {
+        this.minimumAcrLevel = minimumAcrLevel;
+    }
+
+    /**
+     * Gets minimum acr level auto resolve
+     *
+     * @return minimum acr level auto resolve
+     */
+    public Boolean getMinimumAcrLevelAutoresolve() {
+        return minimumAcrLevelAutoresolve;
+    }
+
+    /**
+     * Sets minimum acr level auto resolve
+     *
+     * @param minimumAcrLevelAutoresolve minimum acr level auto resolve
+     */
+    public void setMinimumAcrLevelAutoresolve(Boolean minimumAcrLevelAutoresolve) {
+        this.minimumAcrLevelAutoresolve = minimumAcrLevelAutoresolve;
+    }
+
+    /**
+     * Gets minimum acr priority list
+     *
+     * @return minimum acr priority list
+     */
+    public List<String> getMinimumAcrPriorityList() {
+        return minimumAcrPriorityList;
+    }
+
+    /**
+     * Sets minimum acr priority list
+     *
+     * @param minimumAcrPriorityList minimum acr priority list
+     */
+    public void setMinimumAcrPriorityList(List<String> minimumAcrPriorityList) {
+        this.minimumAcrPriorityList = minimumAcrPriorityList;
+    }
+
     /**
      * Returns the Default requested Authentication Context Class Reference values.
      *
@@ -1379,6 +1437,9 @@ public static RegisterRequest fromJson(JSONObject requestObject) throws JSONExce
         result.setPostLogoutRedirectUris(extractListByKey(requestObject, POST_LOGOUT_REDIRECT_URIS.toString()));
         result.setGroups(extractListByKey(requestObject, GROUPS.toString()));
         result.setDefaultAcrValues(extractListByKey(requestObject, DEFAULT_ACR_VALUES.toString()));
+        result.setMinimumAcrLevel(integerOrNull(requestObject, MINIMUM_ACR_LEVEL.toString()));
+        result.setMinimumAcrLevelAutoresolve(requestObject.optBoolean(MINIMUM_ACR_LEVEL_AUTORESOLVE.toString()));
+        result.setMinimumAcrPriorityList(extractListByKey(requestObject, MINIMUM_ACR_PRIORITY_LIST.toString()));
         result.setFrontChannelLogoutUri(requestObject.optString(FRONT_CHANNEL_LOGOUT_URI.toString()));
         result.setFrontChannelLogoutSessionRequired(requestObject.optBoolean(FRONT_CHANNEL_LOGOUT_SESSION_REQUIRED.toString()));
         result.setBackchannelLogoutUris(extractListByKey(requestObject, BACKCHANNEL_LOGOUT_URI.toString()));
@@ -1588,6 +1649,15 @@ public void getParameters(BiFunction<String, Object, Void> function) {
         if (defaultAcrValues != null && !defaultAcrValues.isEmpty()) {
             function.apply(DEFAULT_ACR_VALUES.toString(), toJSONArray(defaultAcrValues));
         }
+        if (minimumAcrLevel != null) {
+            function.apply(MINIMUM_ACR_LEVEL.toString(), minimumAcrLevel.toString());
+        }
+        if (minimumAcrLevelAutoresolve != null) {
+            function.apply(MINIMUM_ACR_LEVEL_AUTORESOLVE.toString(), minimumAcrLevelAutoresolve.toString());
+        }
+        if (minimumAcrPriorityList != null) {
+            function.apply(MINIMUM_ACR_PRIORITY_LIST.toString(), toJSONArray(minimumAcrPriorityList));
+        }
         if (StringUtils.isNotBlank(initiateLoginUri)) {
             function.apply(INITIATE_LOGIN_URI.toString(), initiateLoginUri);
         }
diff --git a/jans-auth-server/model/src/main/java/io/jans/as/model/register/RegisterRequestParam.java b/jans-auth-server/model/src/main/java/io/jans/as/model/register/RegisterRequestParam.java
index 3af8051eac8..9f5bb4e5c54 100644
--- a/jans-auth-server/model/src/main/java/io/jans/as/model/register/RegisterRequestParam.java
+++ b/jans-auth-server/model/src/main/java/io/jans/as/model/register/RegisterRequestParam.java
@@ -226,6 +226,24 @@ public enum RegisterRequestParam {
      */
     DEFAULT_ACR_VALUES("default_acr_values"),
 
+    /**
+     * Integer value which sets minimum acr level.
+     */
+    MINIMUM_ACR_LEVEL("minimum_acr_level"),
+
+    /**
+     * Boolean value,
+     * - if false and minimumAcrLevel is higher then current acr_values then reject request
+     * - if true - resolve acr according to either client's minimumAcrPriorityList or AS auth_level_mapping
+     */
+    MINIMUM_ACR_LEVEL_AUTORESOLVE("minimum_acr_level_autoresolve"),
+
+    /**
+     * Array of strings,
+     * - enables client to specify the acr order of preference, rather then just the next lowest integer value
+     */
+    MINIMUM_ACR_PRIORITY_LIST("minimum_acr_priority_list"),
+
     /**
      * URI using the https scheme that the Authorization Server can call to initiate a login at the Client.
      */
diff --git a/jans-auth-server/server/src/main/java/io/jans/as/server/register/ws/rs/RegisterService.java b/jans-auth-server/server/src/main/java/io/jans/as/server/register/ws/rs/RegisterService.java
index 8bf8a968fce..782cf3aaccf 100644
--- a/jans-auth-server/server/src/main/java/io/jans/as/server/register/ws/rs/RegisterService.java
+++ b/jans-auth-server/server/src/main/java/io/jans/as/server/register/ws/rs/RegisterService.java
@@ -256,6 +256,19 @@ public void updateClientFromRequestObject(Client client, RegisterRequest request
             client.setInitiateLoginUri(requestObject.getInitiateLoginUri());
         }
 
+        final Integer minimumAcrLevel = requestObject.getMinimumAcrLevel();
+        if (minimumAcrLevel != null) {
+            client.getAttributes().setMinimumAcrLevel(minimumAcrLevel);
+        }
+        final Boolean minimumAcrLevelAutoresolve = requestObject.getMinimumAcrLevelAutoresolve();
+        if (minimumAcrLevelAutoresolve != null) {
+            client.getAttributes().setMinimumAcrLevelAutoresolve(minimumAcrLevelAutoresolve);
+        }
+        final List<String> minimumAcrPriorityList = requestObject.getMinimumAcrPriorityList();
+        if (minimumAcrPriorityList != null) {
+            client.getAttributes().setMinimumAcrPriorityList(new ArrayList<>(new HashSet<>(minimumAcrPriorityList)));
+        }
+
         final List<String> groups = requestObject.getGroups();
         if (groups != null && !groups.isEmpty()) {
             client.setGroups(new HashSet<>(groups).toArray(new String[0])); // remove duplicates
diff --git a/jans-auth-server/server/src/main/java/io/jans/as/server/register/ws/rs/action/RegisterCreateAction.java b/jans-auth-server/server/src/main/java/io/jans/as/server/register/ws/rs/action/RegisterCreateAction.java
index 1532032640a..e6d685fefc7 100644
--- a/jans-auth-server/server/src/main/java/io/jans/as/server/register/ws/rs/action/RegisterCreateAction.java
+++ b/jans-auth-server/server/src/main/java/io/jans/as/server/register/ws/rs/action/RegisterCreateAction.java
@@ -100,6 +100,8 @@ public Response createClient(String requestParams, HttpServletRequest httpReques
         Response.ResponseBuilder builder = Response.status(Response.Status.CREATED);
         OAuth2AuditLog oAuth2AuditLog = new OAuth2AuditLog(ServerUtil.getIpAddress(httpRequest), Action.CLIENT_REGISTRATION);
         try {
+            log.trace("Registration request = {}", requestParams);
+
             final JSONObject requestObject = registerService.parseRequestObjectWithoutValidation(requestParams);
             final JSONObject softwareStatement = registerValidator.validateSoftwareStatement(httpRequest, requestObject);
             overrideRequestObjectFromSoftwareStatement(requestObject, softwareStatement);
@@ -112,7 +114,6 @@ public Response createClient(String requestParams, HttpServletRequest httpReques
 
             log.info("Attempting to register client: applicationType = {}, clientName = {}, redirectUris = {}, isSecure = {}, sectorIdentifierUri = {}, defaultAcrValues = {}",
                     r.getApplicationType(), r.getClientName(), r.getRedirectUris(), securityContext.isSecure(), r.getSectorIdentifierUri(), r.getDefaultAcrValues());
-            log.trace("Registration request = {}", requestParams);
 
             registerValidator.validatePasswordGrantType(r);
             registerValidator.validateDcrAuthorizationWithClientCredentials(r);