- Create new purchase quotation as per normal process
- Select option "Use Invoice Plan", a new Invoice Plan tab will appear
- Click on "=> Create Invoice Plan" link to open invoice planning wizard
- Do plan for number of installment, start date and interval
- Double check that each installment has correct plan percentage
- After confirm purchases order, we have new option to "Create Bill by Plan"
- User can create only next bill or create all bills at the same time
