returnFees

This term is proposed for full integration into Schema.org, pending implementation feedback and adoption from applications and websites.

Thing > Property > returnFees

Indicates (via enumerated options) the return fees policy for a ProductReturnPolicy
Values expected to be one of these types
ReturnFeesEnumeration
Used on these types
ProductReturnPolicy

Source

https://github.com/schemaorg/schemaorg/issues/2288