Checks all fields to make sure this is a valid invoice destination. If there is
an error, returns the error, otherwise returns false. Called by the insert
-and repalce methods.
+and replace methods.
=cut
Checks all fields to make sure this is a valid transaction. If there is
an error, returns the error, otherwise returns false. Called by the insert
-and repalce methods.
+and replace methods.
=cut
Checks all fields to make sure this is a valid external service. If there is
an error, returns the error, otherwise returns false. Called by the insert
-and repalce methods.
+and replace methods.
=cut
Checks all fields to make sure this is a valid web virtual host. If there is
an error, returns the error, otherwise returns false. Called by the insert
-and repalce methods.
+and replace methods.
=cut