Number of associated cust_category (see L<FS::cust_category>)
+=item tax
+
+Tax exempt flag, empty or 'Y'. Used when the cust_class-tax_exempt
+configuration setting is turned on.
+
=item disabled
Disabled flag, empty or 'Y'
an error, returns the error, otherwise returns false. Called by the insert
and replace methods.
+=cut
+
+sub check {
+ my $self = shift;
+
+ $self->ut_enum('tax', [ '', 'Y' ])
+ || $self->SUPER::check;
+
+}
+
=item cust_category
=item category