Sites like ConsultantPlus or Garant provide official, updated versions of the TORG-12 form.
This is the unified primary accounting document used in many regions (like Russia and the CIS) to formalize the sale or transfer of goods. It is more detailed and strictly regulated. Where to Download Blank Forms
Best if you need the document to calculate totals and taxes automatically.
Easiest for manual text entry if you don't have many items.
Services like MoySklad or Kontur often offer free Excel and PDF templates for download.