Lot
The number that ties a package to its batch and its test results. States and brands use lot and batch loosely; the lot number on your label is the one to write down.
Related terms
- Batch
One production run of a product, sampled and tested together. Every package from a batch shares one lab sheet. - COA
Certificate of Analysis: the testing lab's report on one batch, covering potency, terpenes and the safety tests. Some labels link to it with a QR code; some only print the lot number. - Lot ledger
Every batch of the same product you have logged, lined up by lot with each lab sheet beside it; the app labels it Batch ledger. It shows how far one product name moves from batch to batch.