Delete Contact Information in Oracle HR

Sample code provided below:

declare
 cursor cur is
 select * from per_contact_relationships where trunc(creation_date) = trunc(sysdate);
 ln_ovn number;
begin
for i in cur
loop
ln_ovn  := i.object_version_number;
hr_contact_rel_api.delete_contact_relationship
  (p_validate                          =>    false
  ,p_contact_relationship_id           => i.contact_relationship_id
  ,p_object_version_number             => ln_ovn
  );
end loop;          
end;