A busy harvest yard forces commercial decisions at speed. A supplier offers extra grain, a buyer requests an immediate answer, and the purchasing officer has only minutes to decide. The problem is rarely a missing spreadsheet. It is uncertainty about who can commit the mill, at what price, and under which conditions.
Give the buyer a usable limit
A purchasing mandate should state the approved product, delivery period, maximum exposure and acceptable quality range. These are working boundaries, not an invitation to buy the whole budget. The officer still needs to know which commitments are already outstanding and whether the store can receive another load on the promised date.
Make exceptions visible
A premium for urgent delivery or a concession on a minor specification can be commercially sensible. Recording the reason helps the next shift understand the transaction. An exception becomes dangerous when it silently changes the reference price for every supplier, or commits the business to processing grain that its sales team cannot place.
Separate commitment from payment
The person approving a purchase should not become the sole source of evidence that the goods arrived. Delivery records and an agreed acceptance process give finance something concrete to settle. This division also protects the buyer when a quantity or condition dispute appears after the truck has left the premises.
Keep decisions close to the yard
For a programme such as Maktoum–Sarveshwar in Senegal, documented agreements create an operating agenda. A short authority table, available to the yard and purchasing team, helps translate that agenda into daily action. Review it when market conditions change, with named approval for revisions. Speed becomes useful when the business can explain the commitments made in its name.

