diff --git a/src/main/java/no/digipost/api/client/representations/SmsNotification.java b/src/main/java/no/digipost/api/client/representations/SmsNotification.java
index e8b6e51d..d08b02cc 100644
--- a/src/main/java/no/digipost/api/client/representations/SmsNotification.java
+++ b/src/main/java/no/digipost/api/client/representations/SmsNotification.java
@@ -28,6 +28,7 @@
 @XmlAccessorType(XmlAccessType.FIELD)
 @XmlType(name = "sms-notification", propOrder = {
     "overrides",
+    "alwaysSend",
     "ats",
     "afterHours"
 })
@@ -35,6 +36,8 @@ public class SmsNotification {
 
     @XmlElement(name = "overrides")
     public final SmsOverrides overrides;
+    @XmlElement(name = "always-send")
+    public final boolean alwaysSend;
     @XmlElement(name = "at", nillable = false)
     public final List<ListedTime> ats;
     @XmlElement(name = "after-hours", type = Integer.class, nillable = false)
@@ -49,7 +52,19 @@ public SmsNotification(int afterHours) {
     }
 
     public SmsNotification(List<ListedTime> ats, List<Integer> afterHours) {
-        this(ats, afterHours, null);
+        this(ats, afterHours, false);
+    }
+
+    /**
+     * This constructor requires that the sender is allowed to override the
+     * recipient's reservation against receiving sender-initiated SMS
+     * notifications from Digipost. If {@code alwaysSend} is {@code true}, the
+     * notification will also be sent even if the recipient has already read
+     * the message before the scheduled notification time, skipping the
+     * cancellation that would otherwise happen.
+     */
+    public SmsNotification(List<ListedTime> ats, List<Integer> afterHours, boolean alwaysSend) {
+        this(ats, afterHours, null, alwaysSend);
     }
 
     /**
@@ -57,13 +72,28 @@ public SmsNotification(List<ListedTime> ats, List<Integer> afterHours) {
      * preferences with {@link SmsOverrides}.
      */
     public SmsNotification(List<ListedTime> ats, SmsOverrides overrides) {
-        this(ats, null, overrides);
+        this(ats, null, overrides, false);
+    }
+
+    /**
+     * This constructor requires that the sender is allowed to override SMS
+     * preferences with {@link SmsOverrides}, and, if {@code alwaysSend}
+     * is {@code true}, that the sender is allowed to override the recipient's
+     * reservation against receiving sender-initiated SMS notifications from
+     * Digipost. If {@code alwaysSend} is {@code true}, the notification will
+     * also be sent even if the recipient has already read the message before
+     * the scheduled notification time, skipping the cancellation that would
+     * otherwise happen.
+     */
+    public SmsNotification(List<ListedTime> ats, SmsOverrides overrides, boolean alwaysSend) {
+        this(ats, null, overrides, alwaysSend);
     }
 
-    private SmsNotification(List<ListedTime> ats, List<Integer> afterHours, SmsOverrides overrides) {
+    private SmsNotification(List<ListedTime> ats, List<Integer> afterHours, SmsOverrides overrides, boolean alwaysSend) {
         this.ats = ats != null ? new ArrayList<>(ats) : new ArrayList<ListedTime>();
         this.afterHours = afterHours != null ? new ArrayList<>(afterHours) : new ArrayList<Integer>();
         this.overrides = overrides;
+        this.alwaysSend = alwaysSend;
     }
 
 }
diff --git a/src/main/resources/xsd/api_v8.xsd b/src/main/resources/xsd/api_v8.xsd
index c499b674..782a5e95 100644
--- a/src/main/resources/xsd/api_v8.xsd
+++ b/src/main/resources/xsd/api_v8.xsd
@@ -782,10 +782,23 @@
     <xsd:complexType name="sms-notification">
         <xsd:sequence>
             <xsd:element name="overrides" type="sms-overrides" minOccurs="0" maxOccurs="1" nillable="false"/>
+            <xsd:element name="always-send" type="xsd:boolean" minOccurs="0" maxOccurs="1" default="false">
+                <xsd:annotation>
+                    <xsd:documentation>
+                        If true, the SMS notification will be sent even if the recipient has reserved
+                        themselves against receiving sender-initiated SMS notifications from Digipost.
+                        It will also be sent even if the recipient has already read the message before
+                        the scheduled notification time - normally a pending notification is cancelled
+                        as soon as the message is read, but that cancellation is skipped when this is set.
+                        Requires special permission for the sending organisation - using this while not
+                        being permitted to will result in an error response.
+                    </xsd:documentation>
+                </xsd:annotation>
+            </xsd:element>
             <xsd:element name="at" type="listed-time" minOccurs="0" maxOccurs="unbounded">
                 <xsd:annotation>
                     <xsd:documentation>
-                        If the message is unread, a notification will be sent at these times.
+                        If the message is unread (or always-send is activated), a notification will be sent at these times.
                         SMS is only sent between 9-20. Any notification falling outside this interval, will be sent around 9 the next morning.
                     </xsd:documentation>
                 </xsd:annotation>
@@ -793,7 +806,7 @@
             <xsd:element name="after-hours" type="after-hours" minOccurs="0" maxOccurs="unbounded">
                 <xsd:annotation>
                     <xsd:documentation>
-                        If the message is unread, a notification will be sent after the given amount of hours after delivery.
+                        If the message is unread (or always-send is activated), a notification will be sent after the given amount of hours after delivery.
                         SMS is only sent between 9-20. Any notification falling outside this interval, will be sent around 9 the next morning.
                     </xsd:documentation>
                 </xsd:annotation>