Penalty for tax offences: monetary or tax-equivalent sanctions apply for invoice, collection, credit, refund, or compliance violations. Specified taxable-person conduct-including issuing incorrect or false invoices, supplying without invoices, failing to pay or remit collected tax, contravening deduction or collection obligations, wrongfully availing or distributing input tax credit, fraudulent refund claims, falsifying records, failing registration obligations, obstructing officers, transporting goods without prescribed documents, suppressing turnover, and tampering with evidence-attracts a penalty of ten thousand rupees or an amount equivalent to the tax evaded or improperly dealt with, whichever is higher.