A ShippingRateSettings represents re-usable pieces of shipping information. It is designed for publication on an URL that may be referenced via the [shippingSettingsLink](https://schema.org/shippingSettingsLink) property of an [OfferShippingDetails](https://schema.org/OfferShippingDetails). Several occurrences can be published, distinguished and matched (i.e. identified/referenced) by their different values for [shippingLabel](https://schema.org/shippingLabel).