Right after receiving the message from the groups' department.

After sending the SATA message, the issuer is responsible for bookings.

IATA Travel Agent: After logging in to SATA4AGENTS, a GROUPS tab will be available in the main menu. By clicking on this tab, you will have immediate access to the Group Quote Request form.
Non-IATA Travel Agent: After logging in to SATA4AGENTS, a GROUPS tab will be available in the main menu. By clicking on this tab, you will have immediate access to the Group Quote Request form. Pay attention to the GDS fields: and Office ID / PCC: which must be filled in Amadeus in the GDS field and PDLS40128 in the office ID/PCC field.