| CertificationLogoAddOnsHandler | Class CertificationLogoAddOnsHandler |
| DifferentShippingAddressHandler | Class DifferentShippingAddressHandler |
| NeutralShippingAddressHandler | Class DifferentShippingAddressHandler |
| OrderAddOnsHandler | Class OrderAddOnsHandler |
| PriceComponentsAddOnsHandler | Class PriceComponentsAddOnsHandler |
| ServiceAndSpecialsAddOnsHandler | Class ServiceAndSpecialsAddOnsHandler |
| ShippingPartsAddOnsHandler | Class ShippingPartsAddOnsHandler |
| SubItemsAddOnsHandler | Class SubItemsAddOnsHandler |