According to Rule 88 of Central Goods and Service Tax Act, 2017 as passed by Lok Sabha :
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A unique identification number shall be generated at the common portal for each debit or credit to the electronic cash or credit ledger, as the case may be.
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The unique identification number relating to discharge of any liability shall be indicated in the corresponding entry in the electronic liability Register
- A unique identification number shall be generated at the common portal for each credit in the electronic liability register for reasons other than those covered under sub-rule (2).