diff --git a/gnss/2.1/IGnss.hal b/gnss/2.1/IGnss.hal
index 2d63392..ce37647 100644
--- a/gnss/2.1/IGnss.hal
+++ b/gnss/2.1/IGnss.hal
@@ -16,6 +16,7 @@
 
 package android.hardware.gnss@2.1;
 
+import android.hardware.gnss.measurement_corrections@1.1::IMeasurementCorrections;
 import @2.0::IGnss;
 
 import IGnssCallback;
@@ -62,4 +63,14 @@
      * @return gnssConfigurationIface Handle to the IGnssConfiguration interface.
      */
     getExtensionGnssConfiguration_2_1() generates (IGnssConfiguration gnssConfigurationIface);
+
+    /**
+     * This method returns the IMeasurementCorrections interface.
+     *
+     * Both getExtensionMeasurementCorrections and getExtensionMeasurementCorrections_1_1 must
+     * return non-null. Both methods can return the same V1.1 IMeasurementCorrections object.
+     *
+     * @return measurementCorrectionsIface Handle to the IMeasurementCorrections interface.
+     */
+     getExtensionMeasurementCorrections_1_1() generates (IMeasurementCorrections measurementCorrectionsIface);
 };
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