What a cold store has to record before a chamber is shared

A chamber that belongs to one owner can be run from memory for a while. A chamber that takes other people’s goods cannot. The moment a second depositor uses the same room, the store is holding stock it does not own, at a temperature it has promised, for a period someone will be billed for.

Write the lot down at the door

Inward is the record that everything else hangs from. Who brought it, which chamber it entered, how many packages, and which lot it belongs to. If that is written later from a slip in a pocket, the stock register and the depositor’s statement will disagree, and the store will not know which one is wrong.

• Occupancy is a fact about the chamber, not a feeling about how full the room looks.
• Each depositor needs a ledger of what came in, what went out, and what is still inside.
• Outward should name the lot. “Some cartons” is not a stock movement.

FIFO is a rule you can check

First in, first out only works when each inward has a date and the outward is forced to pick an earlier lot before a later one. FEFO, first expired first out, needs an expiry on the lot as well. A store that cannot point at the lot cannot claim either rule.

Temperature is a log, not a slogan

The promise to the depositor is a range held over time. A single reading on a whiteboard does not answer a complaint from last Tuesday. The log has to sit with the chamber, and the chamber has to sit with the stock that was in it.

Billing follows the record

Storage rent, handling, and the period a lot stayed are calculations on top of inward and outward. They are not a separate notebook. If the rent invoice cannot be traced to the lots, the argument with the depositor starts from zero every month.

Buy a product when the store is small and the process is the same every day. Build the record yourself when depositors share chambers, lots have to be kept apart, and the current books already disagree with the room.