+
+=item C<get_is_changeable>
+
+=item C<get_ir_changeable>
+
+=item C<get_ar_changeable>
+
+=item C<get_ap_changeable>
+
+=item C<get_gl_changeable>
+
+Returns if and when these record types are changeable or deleteable after
+posting. 0 means never, 1 means always and 2 means on the same day.
+