Is there a way to tell from a US seller's listing, whether they are enrolled in the GSP?

[felicity_1]

Since I want to avoid these sellers, is there a quick way to recognize them?

[toby_le_pue]

The extra amount should Should show on the listing page'

The page should look similar to the following,

No additional import charges at delivery!

This item will be shipped through the Global Shipping Program and includes international tracking. Learn more

Shipping:

US $13.82 (approx. C $14.29) International Priority Shipping to Canada  

This amount includes seller specified US shipping charges as well as applicable international shipping, handling, and other fees. This amount is subject to change until you make payment. For additional information, see the Global Shipping Program terms and conditions

| See details

Item location:

Brooklyn, New York, United States

Ships to:

United States and many other countries | See details

Import charges:

US $17.62 (amount confirmed at checkout) To be provided at checkout  

This amount includes applicable customs duties, taxes, brokerage and other fees. This amount is subject to change until you make payment. For additional information, see the Global Shipping Program terms and conditions

Delivery:

Estimated within 9-19 business days  

Estimated delivery dates include seller's handling time, and will depend on shipping service selected and receipt of cleared payment. Delivery times may vary, especially during peak periods.

Includes international tracking