Underwriting Standards
Subscription Billing Compliance Requirements A Guide for Supplement & Nutraceutical Merchants Applies to: Merchants and partners offeri...
Tue, 19 May, 2026 at 4:45 PM
Knowledge Base
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Nexio
- ▶ Common Q & A
- ▶ How To...
- ▶ Nexio
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Be In the Know with Nexio
- Decline Recovery
- Payments Strategy for Businesses
- Payment Trends and COVID-19: Adjusting to Gain Lost Revenue
- 3DS, Fraud, and Tokens
- Subscriptions and Recurring Payments
- Advantages of Localizing Payments
- Benefits of Alternative Payment Methods
- Right Problem, Wrong Solutions?
- Cyber Liability Program (Breach Insurance)
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Developer Portal
- 3D Secure
- 3D Secure overview
- 3DS requirements
- Account updater overview
- Adding an event listener
- Address Verification Service (AVS)
- Adyen integration guide
- AliPay integration guide
- API diagrams
- API Reference
- API: Cancel pending payouts
- API: Capture a transaction
- API: Capture an APM transaction
- API: Create a recipient
- API: Create a subscription
- API: Create a webhook secret
- API: Create APM one-time-use token
- API: Create legacy merchant webhooks
- API: Create one-time-use token
- API: Create online application
- API: Create simple login
- API: Create user
- API: Delete a subscription
- API: Delete card tokens
- API: Deregister terminal
- API: Dispute a chargeback
- API: Enable or disable retries for a single transaction
- API: Enable or disable retries for multiple transactions
- API: Get APM iframe
- API: Pair terminal
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Nexio Platform Support
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Processing
- ▶ Common Q & A
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How To...
- How to Change Your Bank Account
- How to Change Your Address, Phone, Email with your Merchant Account
- How to Change a Card Type on Your Merchant Account
- How to Change Your Doing Business As (DBA) Name
- How to Change Your Account to Seasonal
- How to Request a Processing Volume Increase
- How to Request a Reserve Release
- How to Change your Billing Descriptor
- How to Run a Test with Standard Card Brand Test Cards
- Terminal Return/Disposal Guide
- How to Increase Monthly Processing Volume in TSYS
- Bank Change
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CMS Merchant Account Information
- Statement Review For MIDs Beginning In 51348, 51579, 54309
- Statement Review For MIDs Beginning In 9235, 9236, 9289
- Payment Industry Glossary
- EMV Questions and Answers
- Tips to Reduce Interchange Expense
- Fee Definitions
- What is American Express OptBlue?
- Contact Us
- Visa Chargeback Reason Codes
- Website Guidelines
- Website Guidelines for Nutraceuticals/Supplements Merchants
- Website Guidelines for Auto-ship/Subscription Merchants
- E-commerce Card Brand Logos
- Nexio Virtual Terminal
- Adding Visibility on USAePay (CG)
- ▶ Merchant Handbook
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Equipment
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Castle MP200L
- MP200L - Setup and User Guide
- MP200 - FAQ and Troubleshooting_
- How to setup MP200L
- MP200 Certification
- MP 200 Troubleshooting
- How to unpair the MP200L
- MP200 Setup and User Guide
- MP200 Change Connection Type
- MP200 Turn keypad sound On/Off
- MP200 Change WiFi Network
- MP200 Change to/from Production or Sandbox Mode
- MP200 How to run a transaction
- MP200 - Tech Set Up
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Vega 3000 (V3)
- V3 Change WiFi Network
- V3 Turn Keypad Sound On/Off
- Vega3000 (V3) Certification
- V3 Change to/from Production or Sandbox Mode
- V3 (Vega 3000) Setup and User Guide
- How to unpair the V3 terminal
- V3 How to change the Connection Type
- V3 Initial Setup
- How to run a transaction with the V3
- V3 (Vega 3000) Setup and User Guide
- Initial Set Up & Troubleshooting Steps. (V3)
- ▶ Additional Equipment
- ▶ VX 520
- ▶ Zeamster Terminals
- ▶ Web Browser Integration
- ▶ IDTech VP3350 Fact Sheet
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Castle MP200L
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Gateway
- ▶ Authorized.net
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Complete Gateway
- Complete Gateway Introduction
- Complete Gateway, Reset Password
- Complete Gateway Dashboard 2 Introduction
- How to Run a Sales Transaction in the Complete Gateway Dashboard 2
- How to Run a Refund in the Complete Gateway Dashboard 2
- How to Run a Void in the Complete Gateway Dashboard 2
- How to Run a Sales Transaction in the Complete Gateway
- How to Run a Refund in the Complete Gateway
- How to Void a Transaction in the Complete Gateway
- Fraud Module Settings in your Complete Gateway
- How to Create an Additional User Within the Complete Gateway Console 1 & 2
- Complete Gateway Fraud Modules
- Complete Gateway Payment Plans
- Complete Gateway Merchant Access
- How to order a terminal for a Merchant
- ▶ NMI Gateway
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Security & Compliance
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PCI Compliance
- PCI Compliance
- PCI Frequently Asked Questions
- SecurityMetrics Quick Steps Guide
- Scanning Requirements
- Security Metrics (PCI), Reset Password
- CMS Compliance Certificate
- Guidelines to Protect Yourself from a Breach
- Turning Off Campaign Emails
- Logging Into Security Metrics and Beginning Your SAQ
- PCI V4.0 Preperations
- Security Metrics, How to Update PCI Compliance
- Nexio PCI DSS Compliance
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Consumer Protection
- Consumer Review Fairness Act: What Businesses Need to Know
- FTC Advertising Disclosures Guidance for Online Influencers
- FTC Guidelines for Dietary Supplements: An Advertising Guide for Industry
- FTC Complying with the Made in USA Standard
- Visa is updating conditions for subscriptions using introductory trials/promotions
- Visa Purchase Return Authorization Message
- Surcharge Guidelines
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Visa Security Bulletins
- Visa Associated Regulation Fee Changes Effective April 2023
- Visa Security Alert (PSI): New Malware Samples Identified in Point-Of-Sale Compromises
- Visa Security Alert (PSI): ‘Baka’ JavaScript Skimmer Identified
- Visa Security Alert (PSI): Pandemic Unemployment Assistance Fraud Remains Prolific
- Visa Security Alert - New Malware Samples Identified in Point-of-Sale Compromise
- Urgent Action Required - Magento 1 support to end after June 2020
- Visa Security Alert (PSI): Attacks Targeting Point-Of-Sale at Fuel Dispenser Merchants
- Visa Security Alert - New JavaScript Skimmer ‘Pipka’ Targeting eCommerce Merchants Identified
- Visa Security Alert - Purchase Return Fraud
- Visa Security Alert (PSI): E-commerce JavaScript Skimming Campaign Targeting Service Providers
- Visa Security Alert (PSI): Same “PwnPOS” File Identified in Multiple Point-of-Sale Breaches in North America
- Visa Security Alert (PSI): FIN6 Cybercrime Group Expands Threat to eCommerce Merchants
- Visa Security Alert (PSI): Alina Point-of-Sale (POS) Malware Classifications
- ▶ Did you know?
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PCI Compliance
- ▶ Fraud Protection
- ▶ Underwriting Standards