> For the complete documentation index, see [llms.txt](https://learn.erpag.com/project/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://learn.erpag.com/project/create-new-product-1/untitled-4/basic-definition/product-properties/lot-numbers.md).

# Lot numbers

To add lot numbers in ERPAG, do the following steps:

1\. Your beginning inventory for those products should be 0.

2\. Your products need to be set that they are tracked by a lot number.  

![](/files/-LPkSixw_lKpE2wctFbD)

3\. Go to inventory > stock adjustment > create > import data > beginning inventory.

![](/files/-LPkSyjFgG4zbbUO5Vlw)

4\. Just copy/paste the columns from your xls to ERPAG.

![](/files/-LPkTAx5IlQU6KOlPhEn)

5\. Save the changes and do the stock adjustment, and the lot numbers will be added to your inventory.

![](/files/-LPkTbj1ld73PX0MwJpU)