Definition
The requisition starts the purchasing chain: a department on board (deck, engine, galley) lists what it needs, the master or chief engineer approves, and the office purchaser turns it into enquiries to suppliers. In most fleets it is raised in the purchasing system, but many still travel as e-mail or a spreadsheet.
A requisition that gets good prices identifies each line exactly — an IMPA code for stores, maker, model and part number for spares — states quantity in a stated unit, and names the port, the ETA/ETD and the delivery point (berth or anchorage). The IMPA Marine Stores Guide exists precisely so that a line means one item to everyone.[1]
On GeoMarineHub a requisition becomes a structured requirement that goes to every verified supplier at the port, or you can e-mail the requisition as it is and we key it in.
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Sources
- [1] IMPA Marine Stores Guide — About — https://www.marinestoresguide.com/about
A working definition for buyers, not legal advice — the contract, the convention text and your club or class have the last word.