What does decline code 05 “do not honor” mean?
It is the generic refusal an issuer sends when it will not explain the reason. Visa classes it as a Category 4 soft decline, so it can be retried within the 30-day limit, ideally on another day or acquirer. Repeated 05 responses on one card usually mean issuer fraud rules, not missing funds.
In detail
It is the generic refusal an issuer sends when it will not explain the reason. Visa classes it as a Category 4 soft decline, so it can be retried within the 30-day limit, ideally on another day or acquirer. Repeated 05 responses on one card usually mean issuer fraud rules, not missing funds.
Where 05 sits among decline codes
Every refused authorization returns an ISO 8583 response code chosen by the issuer. Code 05 do not honor is the generic code, often temporary, sometimes not, and it sits among the soft declines that can be retried later, next to 51 insufficient funds, 91 issuer unavailable and 96 system malfunction. A merchant-facing “do not honor” hides the most value and the most risk: it is retryable under Visa rules, but blind repetition of it is what the penalty programs were built against.
How to retry a do not honor
Issuer-unavailable and system codes, and some “do not honor” responses, approve on a second acquirer or a local one. Routing rules keyed on the decline code, with fallback when a provider times out, turn part of the soft declines into approvals without waiting. Retries must stay within the scheme caps: 20 per card per 30 days on Visa, and 10 per 24 hours and 35 per 30 days on Mastercard.
More detail in our #PayDecoding episode on Soft declines.