If you sell tobacco, vape, adult, or other elevated-risk products, your Mastercard acceptance costs changed on May 1, 2026 — not by basis points, but by a new fee structure that adds a fixed annual charge plus a per-transaction and volume assessment billed weekly, on top of interchange.
In a late-2025 bulletin, Mastercard overhauled its Specialty Merchant Registration program — the system acquirers use to register and monitor high-risk categories, now the new name for what was previously called the high-risk registration program under AN 4654. The annual registration fee your acquirer pays per high-risk merchant doubled to roughly $1,000, and two new volume-based charges were added: about $0.02 per transaction and a 0.10% assessment on sales, billed weekly. Acquirers pass those costs to merchants, often with a markup, so the effective increase you see is higher than $1,000.
Who Is in the Program
The specialty program covers the categories Mastercard deems elevated risk — tobacco and vape, adult content, firearms, certain nutraceuticals, and other categories where chargeback and compliance risk is structurally higher. If your MCC is in the specialty list, your acquirer must register you, pay the fee, and monitor you — whether you consider yourself high-risk or not.
Mastercard simultaneously tightened related monitoring: the Scam Merchant Monitoring Program takes full effect July 24, 2026 (with onboarding screening since January 2026), giving acquirers 72 hours to investigate when a merchant is flagged, and it raised the sub-merchant aggregation threshold to $1 million in annual Mastercard volume (Visa remains at $100,000) before a sub-merchant must get its own account — context for marketplace sellers who may be aggregated under a facilitator.
The 2026 Fee Math
For a specialty merchant doing 800 transactions at $60 average ($48,000/month in Mastercard sales):
- Annual registration: ~$1,000/year = ~$83/month passed through
- Per-transaction: 800 × $0.02 = $16/month
- Volume assessment: $48,000 × 0.10% = $48/month
- Total specialty-program passthrough: ~$147/month before acquirer markup, or ~$1,764/year — plus the $1,000 annual fee already accounted, so the all-in is ~$2,764/year above interchange.
For a small tobacco shop doing 2,000 transactions at $35 ($70,000/month), the passthrough is ~$40 + $70 + $83 = ~$193/month, or ~$2,316/year.
Those amounts are billed weekly, so cash flow sees a new weekly debit that did not exist before May — a small but persistent drag that must be in the forecast.
How to Stay Off or Exit the Program
The only way to avoid the specialty program is to not be in a specialty category — not to negotiate the fee. If your product mix includes a specialty category, even as a minority of sales, the whole merchant account is typically registered. Two mitigations:
- Segregate by MID where allowed. If your acquirer permits, put specialty sales on a separate MID that is registered and keep the non-specialty business on a standard MID. That isolates the specialty assessments to the relevant volume.
- Reduce category risk where you can. Some nuance products have alternative MCCs if the product is reformulated or re-described — but do not miscode; MCC misclassification is a compliance violation that triggers a different Mastercard enforcement path.
The Bookkeeping Note
Specialty registration fees and assessments are payment processing costs, not bank fees — book them to merchant fees, not to general expense, so effective acceptance cost is visible. A merchant that was at 3.1% all-in last year and is at 3.6% this year should see the 50 basis point increase traced to the specialty program, not to a vague "fees went up."
Simplify Your Financial Management
Specialty registration is a fixed and volume-based cost that hits weekly, not annually — and it is now materially higher. Beancount.io keeps every Mastercard assessment, every weekly debit, and every category's effective rate in plain-text, version-controlled accounting — so the program's cost is visible before it is surprising. Get started for free and keep your high-risk acceptance costs as auditable as your sales.