Build a cash invoice at Billing → Create Cash Bills.
Billing → Create Cash Bills (/billing/cash) builds a cash invoice from cash orders (or manual items). Edit an existing bill at the same path with ?invoiceId=.
Who can open it: users granted Create Cash Bills.
Sidebar Billing → Create Cash Bills. Heading is the cash bill form; edit uses Edit Cash Bill.
Pick the cash party / company / bank, invoice date, and GST options when the company bills GST.
Select eligible cash orders, or enter manual items. Amounts, GST, and preview stay off until there is something to bill.
The template preview uses your cash template. Save the invoice, print, or email when email is configured.