A fulfillment and remittance address are required for all suppliers (the same address can be used for both).
Fulfillment Address: This is the tax reporting address. For companies, fulfillment addresses are used for order distribution centers or mailing Purchase Orders. Foreign companies and foreign individuals must supply a foreign address for a fulfillment address.
Remittance Address: This is the address where a payment is sent.
Physical Address: Do not use.
See also: Supplier Portal: Getting Started