Two level discounts in Sales order line and customer invoice line.
odoo app will allow Unique Reference Code
odoo app will raise a warning when same Product repeated on Sale,Purchase and Invoice lines.
Introduces the operating unit to vouchers
The module allows you to accept price quotations of products from customers who wish to buy products in bulk. The customer can send their purchase quote to the Odoo user and buy the products when approved.
Control products displayed per grid
ost_sales_auto_sequence