Explain the terms 'Memo Voucher', 'Post - dated Voucher' and 'User -defined Vouch er'.

Memo Voucher : It is a non-accounting voucher. It does not affect accounts of the user. These entries are stated/recorded in a separate register, but not as a part of ledger. Post dated voucher : Some accounting softwares allow user to enter the voucher for future transactions which are usually similar as the previous once. User defined voucher : In accounting software there are $\displaystyle 23$ pre-defined vouchers. It allows the user to define or create new accounting or inventory vouchers as per the requirement in the voucher entry, entry can be classified into three basic categories of opening entry, closing entry and adjustment entry.