provices 18 predefined vouchers and also allows you to create new accounting as well as inventory vouchers types, as per yours requirements. for example, you can further classify payment vouchers by creating vouchers by the name bank payment and cash payment vouchers. you can also set hte voucher numbering as per your needs, which can be either automatic numbering or manual numbering or have no numbering at all. further, you can also assign prefix and suffix for voucher numbers and choose to restart numbering either from beginning of the year or month and so on.