diff --git a/src/js/models/metadata/eml211/EMLAttribute.js b/src/js/models/metadata/eml211/EMLAttribute.js
index 47e993b38..4e0b1381a 100644
--- a/src/js/models/metadata/eml211/EMLAttribute.js
+++ b/src/js/models/metadata/eml211/EMLAttribute.js
@@ -481,25 +481,27 @@ define(["jquery", "underscore", "backbone", "uuid",
             		errors.measurementScale = "Choose a measurement scale category for this attribute.";
             	}
             	else{
-            		var measurementScaleIsValid = measurementScaleModel.isValid();
-
-            		// If there is a measurement scale model and it is valid and there are no other
-            		// errors, then trigger this model as valid and exit.
-                	if( measurementScaleIsValid && !Object.keys(errors).length ){
-
-            			this.trigger("valid", this);
-            			return;
-
-                	}
-                	else if( !measurementScaleIsValid ){
+                    if( !measurementScaleModel.isValid() ){
                 		errors.measurementScale = "More information is needed.";
                 	}
-            	}
-
-            	//If there is at least one error, then return the errors object
-            	if(Object.keys(errors).length)
-            		return errors;
+                }
+                
+                // Validate the missing value codes
+                var missingValueCodesErrors = this.get("missingValueCodes")?.validate();
+                if (missingValueCodesErrors) {
+                    // Just display the first error message
+                    errors.missingValueCodes = Object.values(missingValueCodesErrors)[0]
+                }
 
+                // If there is a measurement scale model and it is valid and there are no other
+                // errors, then trigger this model as valid and exit.
+                if (!Object.keys(errors).length) {
+                    this.trigger("valid", this);
+                    return;
+                } else {
+                    //If there is at least one error, then return the errors object
+                    return errors;
+                }
             },
 
             /*
diff --git a/src/js/views/metadata/EML211MissingValueView.js b/src/js/views/metadata/EML211MissingValueView.js
index f4a4461ed..bac4ac39d 100644
--- a/src/js/views/metadata/EML211MissingValueView.js
+++ b/src/js/views/metadata/EML211MissingValueView.js
@@ -12,7 +12,7 @@ define([
    * collection, the view will also provide a button to remove the model from
    * the collection.
    * @classcategory Views/Metadata
-   * @screenshot views/metadata/EMLMissingValueView.png // <- TODO
+   * @screenshot views/metadata/EMLMissingValueView.png
    * @extends Backbone.View
    * @since x.x.x
    */
diff --git a/src/js/views/metadata/EML211MissingValuesView.js b/src/js/views/metadata/EML211MissingValuesView.js
index 373d84a78..2563fcab8 100644
--- a/src/js/views/metadata/EML211MissingValuesView.js
+++ b/src/js/views/metadata/EML211MissingValuesView.js
@@ -19,7 +19,7 @@ define([
    * "Remove" button next to the code. A new row of inputs will automatically be
    * added to the view when the user starts typing in the last row of inputs.
    * @classcategory Views/Metadata
-   * @screenshot views/metadata/EMLMissingValuesView.png // <- TODO
+   * @screenshot views/metadata/EMLMissingValuesView.png
    * @extends Backbone.View
    * @since x.x.x
    */
@@ -101,6 +101,7 @@ define([
         }
         this.setListeners();
         this.el.innerHTML = "";
+        this.el.setAttribute("data-category", "missingValueCodes");
         this.renderText();
         this.renderRows();
 
@@ -125,7 +126,6 @@ define([
 
         this.notification = document.createElement("p");
         this.notification.classList.add(this.classes.notification);
-        this.notification.setAttribute("data-category", "missingValueCodes");
         this.el.appendChild(this.notification);
 
       },