New Invoice serial number for new financial year or Continue existing series

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Dear Experts,

Is it mandatory to change invoice serial number as financial year change?? if yes, let me know the clear provision under GST regime. OR We can Continue existing invoice  series in normal course of Business. (Ex 31/03/XXXX Invoice No.120 and on 01/04/XXXX No.121)

Replies (6)
Quick Summary
Under GST, there is no mandatory requirement to change invoice serial number with change of financial year. Businesses can continue the existing invoice series or restart a new series (e.g., 001) as per internal control and convenience, ensuring uniqueness of invoices.

Changing the serial/ invoice series is not mandatory, but it helps to distinguish the FY easily. 

A new serial number or the same one with new suffix.
You can continue the series 121. You can also start from invoice number 001
There is no compulsion on changing series in beginning of every year.
A simple thing an online answer.
Continuation of invoice number is better to maintain the unique invoice number and to avoid duplicate numbers.

Starting of 001 invoice can give the number of invoices raised for the FY if you look at last invoice number

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