Standard Tank-to-Tank Injection Flow

Roles: Buyer company, Seller company, and Independent Storage Terminal (IST) managers.

  1. 01

    ICPO issuance

    Buyer company issues an ICPO addressed to the Seller company for verification and approval.

  2. 02

    Commercial Invoice (CI)

    Seller company issues the Commercial Invoice. The Buyer company signs and returns it within 24 hours.

  3. 03

    IST manager-to-manager authorization

    Seller company authorizes the Buyer’s IST terminal manager to communicate with the Seller’s IST terminal manager to verify product existence. Purpose: let the Buyer confirm the fuel is real.

  4. 04

    Terminal documentation submission

    After confirmation from the Buyer’s IST terminal manager, the Buyer’s IST terminal manager submits to the Seller’s IST terminal manager:

    • Terminal storage agreement or terminal reference code.
    • Terminal barcode (if applicable).
  5. 05

    Terminal protocols finalization

    Buyer company finalizes all IST terminal protocols required for injection and custody-transfer operations.

  6. 06

    POP & injection

    Seller company issues full Proof of Product (POP) to the Buyer’s IST terminal manager and injection begins.

  7. 07

    Payment & title transfer

    Upon completion of injection, the Buyer company makes full payment via MT103 (or agreed instrument) and the Seller company transfers title to the Buyer.

  8. 08

    Commissions & extensions

    The Seller company pays commissions to all intermediaries as per the agreed schedules until the contract is complete, including rolls and extensions.