Compare Tally party outstandings against live MyBillBook balances, ledger-by-ledger.
Step 1 of 3 — Mobile number
Matching: parties are matched on a normalised name (case/spacing/punctuation ignored); a difference over ₹1 is flagged.
MBB tax/capital/control ledgers (and anything tagged [MBB]) are set aside, not counted as errors.