diff --git a/member-service/src/main/java/org/orcid/memberportal/service/member/web/rest/MemberResource.java b/member-service/src/main/java/org/orcid/memberportal/service/member/web/rest/MemberResource.java
index d42093334..3a05903ac 100644
--- a/member-service/src/main/java/org/orcid/memberportal/service/member/web/rest/MemberResource.java
+++ b/member-service/src/main/java/org/orcid/memberportal/service/member/web/rest/MemberResource.java
@@ -196,8 +196,7 @@ public ResponseEntity<Void> updateMemberDefaultLanguage(@PathVariable String sal
     public ResponseEntity<Boolean> updatePublicMemberDetails(@RequestBody MemberUpdateData memberUpdateData,
             @PathVariable String salesforceId) {
         LOG.info("REST request to update member public details for salesforce id {}", salesforceId);
-        if (StringUtils.isBlank(memberUpdateData.getPublicName())) {
-            LOG.info("Null name in request to update public details");
+        if (!memberDetailsUpdateValid(memberUpdateData)) {
             return ResponseEntity.badRequest().build();
         }
         try {
@@ -388,4 +387,18 @@ public ResponseEntity<Void> requestRemoveConsortiumMember(
         memberService.requestRemoveConsortiumMember(removeConsortiumMember);
         return ResponseEntity.ok().build();
     }
+
+    private boolean memberDetailsUpdateValid(MemberUpdateData data) {
+        if (StringUtils.isBlank(data.getPublicName())) {
+            LOG.info("Null name in request to update public details");
+            return false;
+        }
+
+        // allow null billing address but if present, country must be specified
+        if (data.getBillingAddress() != null && StringUtils.isBlank(data.getBillingAddress().getCountry())) {
+            LOG.info("Null billing country in request to update public details");
+            return false;
+        }
+        return true;
+    }
 }
diff --git a/member-service/src/test/java/org/orcid/memberportal/service/member/web/rest/MemberResourceTest.java b/member-service/src/test/java/org/orcid/memberportal/service/member/web/rest/MemberResourceTest.java
index 8b11afd4d..5c36f0d54 100644
--- a/member-service/src/test/java/org/orcid/memberportal/service/member/web/rest/MemberResourceTest.java
+++ b/member-service/src/test/java/org/orcid/memberportal/service/member/web/rest/MemberResourceTest.java
@@ -16,14 +16,7 @@
 import org.mockito.Mock;
 import org.mockito.Mockito;
 import org.mockito.MockitoAnnotations;
-import org.orcid.memberportal.service.member.client.model.Country;
-import org.orcid.memberportal.service.member.client.model.MemberContact;
-import org.orcid.memberportal.service.member.client.model.MemberContacts;
-import org.orcid.memberportal.service.member.client.model.MemberDetails;
-import org.orcid.memberportal.service.member.client.model.MemberOrgId;
-import org.orcid.memberportal.service.member.client.model.MemberOrgIds;
-import org.orcid.memberportal.service.member.client.model.MemberUpdateData;
-import org.orcid.memberportal.service.member.client.model.State;
+import org.orcid.memberportal.service.member.client.model.*;
 import org.orcid.memberportal.service.member.domain.Member;
 import org.orcid.memberportal.service.member.services.MemberService;
 import org.orcid.memberportal.service.member.validation.MemberValidation;
@@ -105,6 +98,24 @@ public void testUpdatePublicMemberDetails() throws UnauthorizedMemberAccessExcep
         Mockito.verify(memberService).updateMemberData(Mockito.any(MemberUpdateData.class), Mockito.eq("salesforceId"));
     }
 
+    @Test
+    public void testUpdatePublicMemberDetailsWithBillingAddress() throws UnauthorizedMemberAccessException {
+        Mockito.when(memberService.updateMemberData(Mockito.any(MemberUpdateData.class), Mockito.eq("salesforceId"))).thenReturn(Boolean.TRUE);
+        MemberUpdateData memberUpdateData = getPublicMemberDetailsWithBillingAddress();
+        ResponseEntity<Boolean> response = memberResource.updatePublicMemberDetails(memberUpdateData, "salesforceId");
+        assertEquals(200, response.getStatusCodeValue());
+        Mockito.verify(memberService).updateMemberData(Mockito.any(MemberUpdateData.class), Mockito.eq("salesforceId"));
+    }
+
+    @Test
+    public void testUpdatePublicMemberDetailsWithBillingAddressAndNullCountry() throws UnauthorizedMemberAccessException {
+        Mockito.when(memberService.updateMemberData(Mockito.any(MemberUpdateData.class), Mockito.eq("salesforceId"))).thenReturn(Boolean.TRUE);
+        MemberUpdateData memberUpdateData = getPublicMemberDetailsWithBillingAddressAndNullCountry();
+        ResponseEntity<Boolean> response = memberResource.updatePublicMemberDetails(memberUpdateData, "salesforceId");
+        assertEquals(400, response.getStatusCodeValue());
+        Mockito.verify(memberService, Mockito.never()).updateMemberData(Mockito.any(MemberUpdateData.class), Mockito.eq("salesforceId"));
+    }
+
     @Test
     public void testUpdatePublicMemberDetails_unauthorised() throws UnauthorizedMemberAccessException {
         Mockito.when(memberService.updateMemberData(Mockito.any(MemberUpdateData.class), Mockito.eq("salesforceId"))).thenThrow(new UnauthorizedMemberAccessException("blah", "blah"));
@@ -301,6 +312,35 @@ private MemberUpdateData getPublicMemberDetails() {
         return memberUpdateData;
     }
 
+    private MemberUpdateData getPublicMemberDetailsWithBillingAddress() {
+        MemberUpdateData memberUpdateData = new MemberUpdateData();
+        memberUpdateData.setPublicName("test member details");
+        memberUpdateData.setWebsite("https://website.com");
+        memberUpdateData.setOrgName("orgName");
+        memberUpdateData.setDescription("test");
+        memberUpdateData.setEmail("email@orcid.org");
+
+        BillingAddress billingAddress = new BillingAddress();
+        billingAddress.setCity("new york");
+        billingAddress.setCountry("USA");
+        memberUpdateData.setBillingAddress(billingAddress);
+        return memberUpdateData;
+    }
+
+    private MemberUpdateData getPublicMemberDetailsWithBillingAddressAndNullCountry() {
+        MemberUpdateData memberUpdateData = new MemberUpdateData();
+        memberUpdateData.setPublicName("test member details");
+        memberUpdateData.setWebsite("https://website.com");
+        memberUpdateData.setOrgName("orgName");
+        memberUpdateData.setDescription("test");
+        memberUpdateData.setEmail("email@orcid.org");
+
+        BillingAddress billingAddress = new BillingAddress();
+        billingAddress.setCity("new york");
+        memberUpdateData.setBillingAddress(billingAddress);
+        return memberUpdateData;
+    }
+
     private MemberContacts getMemberContacts() {
         MemberContacts memberContacts = new MemberContacts();