Same as the Payment methods, Shipping methods in osCommerce v4 can be linked to: - a particular sales channel (website) - customer group - country or region  and be available for the front end (checkout or quotation), back end, and POS. Shipping methods can be also linked with one or more tracking methods (to be described further). Same as the payment methods, Shipping methods can be installed, enabled or disabled.  There exist a number of "offline" shipp