In crude transit trade, an offshore SPV is not a name on paper. Before opening an account, banks check the office address, on-roll staff, and decision records; miss any one and the account is declined, leaving no channel for settlement.

A shell carries a second cost: anti-avoidance rules treat it as a controlled foreign company and attribute undistributed profit to the parent's current income. What looks saved on tax becomes a compliance bill.

For the seven transit grades — ESPO, Dubai, Oman, Urals, Basrah Light, Bonny Light, Lula — each deal runs through an offshore transit structure on a single bank and single currency. The account holder must show economic substance, or the letter of credit never gets issued.

In practice, the supplier places contracting, bills of lading, and receipts under one offshore entity with real operations. The bank runs due diligence on matching documents, and payment and collection are completed within the same bank, with a “special offshore transit” report filed to the FX authority within five business days.