GST compliance relief clarifies credit notes, LUT extension, TDS filing, and refund timelines during the COVID-19 period. Clarification is issued to ensure uniform implementation of the Uttar Pradesh Goods and Services Tax Act, 2017 during the COVID-19 period. It explains that cancelled advances and returned goods generally require issue of a credit note and adjustment of tax liability in returns, while cases with no output liability may proceed by refund claim through FORM GST RFD-01. It also extends the LUT filing deadline for zero-rated supplies, the due date for FORM GSTR-7 and TDS deposit, and the time limit for refund applications falling within the specified period.