On or after November 7, 2023, the Mastercard FNS counter is increased to 35 disputes authorized on or after 11/7, for each unique combination of primary account number (PAN), PAN expiration date, and token and virtual card number (VCN).

Chargebacks #1 through #15 can be processed for transactions authorized before 11/6/2023 or later.

Chargebacks #16 through #35 are only eligible for transactions authorized on or after 11/7/2023 or later.