1. General Ledger Dumps
2. Tax accounts from the books
3. Any advisory/ opinion related to any entry in the TDS return
4. TDS and tax assessment status and orders, if any effecting the entries in the TDS return 5. Challan details
6. Deductee details
7. Earlier Quarter TDS returns
8. Form 26AS covering the relevant period
9. Queries on TRACES
10. Discussion with management, as required