When the maker or applicable rules provide batch or expiry details, capture them for each received lot rather than keeping one blended catalogue note. Use a consistent date format, photograph the label when useful, and retain the supplier document with the receiving record.
Keep lots with different dates in separate bins or clearly marked sections. Rotate stock according to maker guidance and check the selected unit during picking; otherwise an older lot may remain while the page describes a newer one. If buyers receive a specific batch, record which lot was supplied.
Do not estimate an unreadable date or offer stock whose saleability is unclear. Ask the supplier or relevant regulator when the product-specific rule is uncertain, and remove or revise an offer if its batch information changes. A compact lot log makes it possible to trace affected units without treating every item in the catalogue as identical.
