Sorry,
You are correct, kind of....I thought it was just an e-bay thing, but it's only to qualify for coverage under the Seller Protection Policy:
11.3 Qualification Requirements. In order to qualify for coverage under the Seller Protection Policy, you must meet the following requirements:
1. You must have a Verified Business or Verified Premier Account at the time of the transaction,
2. The transaction must be between a US, UK or Canadian buyer and a US, UK or Canadian seller,
3. The payment must be listed as Seller Protection Policy Eligible on the Transaction Details page, or cleared by PayPal through Payment Review,
4. You must accept a single payment from one PayPal Account for the purchase,
5. You must not charge a surcharge for accepting PayPal,