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U.S. Bank Europe DAC, trading as Elavon Merchant Services, is regulated by the Central Bank of Ireland.
 
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The recommended rules for handling **Stand-in Responses** are as follows:

- All responses with "\*SLR STAND-IN." need to be recorded by the POS (**Stand-In List**). This includes all transactions that were either locally approved or locally declined.

- Go through the **Stand In-List**.

 - If the POS processed the transaction as approved, send an Inquiry.

 - If Inquiry response is **APPROVED** (Transaction Type = original), POS processing is done.

 - If Inquiry response is **NO RECORD FOUND** (Transaction Type = 22), submit the Stand-in Transaction for processing.

 - If the POS processed the transaction as declined, send an Inquiry.

 - If Inquiry response is **APPROVED** (Transaction Type = original), send a void.

 - If Inquiry response is **NO RECORDS FOUND** (Transaction Type = 22), POS processing is done.

## Sample Stand-in Response

A sample of the **Stand-In Response** for an offline transaction is as follows:

(Stand-in enabled; EMV enabled but configured not to return EMV tags on Stand-In)

| API Field \#, Value | Description |
|----------|---------|
|0001,02|Transaction Type |
|0002,1.00|Transaction Amount |
|0003,;&&&&&&&&&&&&&&&&= &&&&&&&&&&&&&&&&&&&&?|Encrypted Track Data (See under :magic-link[Usage]{id="usage"} for details.)| 
|0006,SN:80649419|Serial Number (needed to Decrypt)|
|0007,53|Reference Number |
|0011,xxxxx…|User Data. See :magic-link[Simplify-Controlled Field Definitions]{id="simplify-controlled-field-definitions"}.|
|0013,022519|Transaction Date|
|0014,104720|Transaction Time|
|0017,0.00|Cash Back Amount|
|0047,C;1;1;1;0;1;5;5;4;3;3;C;0;4|POS Data Code|
|0052,0|Transponder / Proximity Indicator (0 = contact; 2 = contactless , 5 = swiped)|
|0054,05|POS Entry Mode|
|0109,TERM02|Terminal ID (provided by Elavon)|
|0110,205|Cashier ID|
|0115,010|Transaction Qualifier (010 = credit; 030 = debit)|
|0126,2|Track Indicator (may need to appear on receipt)|
|0201,0.00|Tip Amount|
|1000,VI|Card Type|
|1002,UAT USA/Test Card 03 |Cardholder Name|
|1003,0000|Response Code |
|1008,476173XXXXXX0119|Masked Account Number |
|1010,*SLR STAND-IN.|Simplify-Generated Response Message. |
|1314,A0000000031010|Dedicated File Name |
|1315,0096|ICC Application Version Number|
|1379, \[see value below\] | Offline EMV Receipt Field List |
|1382,F000F0A001|Additional Terminal Capabilities|
|5002,80649419|Serial Number needed to Decrypt|
|5004,OG|Encryption Provider ID (OG = On-Guard; G2 = Voltage)|
|5006,FFFF4D4D4D0000C0046C050006|Terminal KSN (only used for On-Guard)|
|5010,EMVDC0838|EMV kernel version|
|5070,xxxxx…|Simplify Information. See :magic-link[Simplify-Controlled Field Definitions]{id="simplify-controlled-field-definitions"}.|
|8002,ONGUARD|Location Name (provided by Elavon)|
|8006,TSTLA3|Chain Code (provided by Elavon)|

1379,1326\|Application Label: ;1300\|AAC: ;1307\|TVR: ;1325\|AID: ;

Stand-In Response - Guidelines and Sample

Alliance Offers

Data as a Service

Invitation to Apply

Accounts

Bank Holidays

Card Activation

Card Controls

Challenge-Widget

Commercial Credit Cards

Commercial Statements

Credit Card Account Details

Credit Card Accounts Overview

Credit Card Alerts

Credit Card Application Status

Credit Card APRs

Credit Card Balance Transfers

Credit Card Disputes

Credit Card Payments

Credit Card Qualified Offers

Credit Card Statements

Credit Card Transactions

Data Sharing for Marketing Purposes

Digital Wallets

Make a Payment - Coming Soon

Rewards Accelerator

Rewards Automatic Redemption

Rewards: Balance Summary

Rewards: Dashboard

Rewards Redemption Accounts

Rewards Redemptions

Rewards Transactions: Earned and Redeemed

Travel Notifications

User Profile

3DSecure2

Avvance

CheckoutJs

Commerce SDK

Converge

Disputes Management

Dynamic Currency Conversion

eBoarding

Elavon Cloud Payments Interface

Elavon Payment Gateway

Fusebox

Hosted Payment Page

In Person Payments on Opayo

Leads

Lightbox payment modal

Online Payments on Opayo

Opayo

Opayo Direct

Opayo Forms

Opayo Reporting API

Opayo Server

Opayo Shared API

Payment Method Gateway

Payments Core 365

Simplify

viaconex

XML API

Card as a Service API

Core Banking API

Money Movement API

Reference API

Access Online Transactions

Account Transfers

Account Validation

ACH Originations

Bank Information

Card as a Service

Check Payables

Corporate Account Information

Corporate Account Information 3LO

Corporate Credit Cards

Corporate Onboarding

Corporate Statements

Custody

Data Toolbox

Data Toolbox - Accounts

Data Toolbox - Documents

Data Toolbox - Transactions

Debit Card Phone Number Lookup

Disbursements via Zelle®

U.S. Bank Flexible Capital Platform

Freight Payment Customer Profiles

Freight Payment Transactions

Incoming Webhooks

Instant Payments

Investment Accounting

PaySmart

Payee Choice

Payee Token+

Personal Loans

Positive Pay

Push to Card

Receivables

RTP® - Real-Time Payments

Tokenized Payments

Treasury Builder

U.S. Bank FBO Account

Virtual Account Reporting

Virtual Card Payments

Voyager Accounts

Voyager Cards

Voyager Drivers

Voyager Transactions

Voyager Vehicles

Wire Transfers

Simplify Overview

Ingenico Developer Guide 2.03.02x.121 Ver. 25-31

Simplify Introduction

Supported Hardware

General Guidelines

Message and Communications Protocols

Versioning

Financial Messages

Overview and Guidelines

Sale Message (Tran Type 02)

Auth Only Message (Tran Type 01)

Prior Auth Sale Message (Tran Type 07)

Incremental Authorization Message (Tran Type 75)

Full Authorization Reversal Message (Tran Type 61)

Partial Authorization Reversal Message (Tran Type 76)

Return Message (Tran Type 09)

Void Return Message (Tran Type 17)

Void Sale Message (Tran Type 11)

EBT Messages (Tran Types 02, 09, 11, 17, 24)

Gift Card Messages (Tran Types 01, 02, 07, 09, 11, 17, 24)

Inquiry Message (Tran Type 22)

 DCC Inquiry Message (Tran Type 46)

Token Request Message (Tran Type 37)

Cancel Message (Tran Type 80)

Health Message (Tran Type 73)

Batch Close Message (Tran Type 13)

Batch Inquiry Message (Tran Type 14)

Non-Financial Messages

Non-Financial Messages (Tran Type 36)

Signature Message (Tran Types 36-01, 36-02)

Version Number Inquiry Message (Tran Type 36-06) 

Initiate HEM/IngEstate Message (Tran Type 36-07)

Scrolling Receipt Request Message (Tran Type 36-10)

Scrolling Receipt Stop Message (Tran Type 36-11)

Exit Reversal Mode Message (Tran Type 36-12)

Informational Prompting Message (Tran Type 36-14)

System Command Message (Tran Type 36-15)

Allow Pre-Tendering Message (Tran Type 36-40)

Print Request Message (Tran Type 36-45)

Status Message (Tran Type 36-51)

POS SAF Processing

Offline Transaction Processing

Stand-In Response

Store and Forward Transactions 

EMV Considerations

EMV Tags and other EMV-related Response Fields

EMV Offline Situations

ICC (Chip) Declines and Simplify Reversal Mode

Pay-At-Table

Transaction Flow

Pay-At-Table API Fields

Messaging

Pay-At-Table Message Overview

Login Message (Tran Type 39-01)

Get Check Info Message (Tran Type 39-02)

Controlling screen flow after check selection

Check Detail Message (Tran Type 39-07)

Make Payment Message (Tran Type 39-05)

Print Receipt Message (Tran Type 39-06)

Simplify Payment Process

Print Receipt Request and Response (Tran Type 39-06)

Logout/Disconnect Message (Tran Type 39-04)

Recovery

Informational Prompting

General information for all tags

Generic messaging

Tag 010 - Text with Optional Buttons

Tag 011 - Static and Scrolling Text with Optional Buttons

Tag 012 - Text and Graphics with Optional Buttons

Tag 013 - Fast Graphics Download

Tag 014 - Text and Camera Image

Tag 020 - Scrolling Text 

Tag 030 - Virtual Keyboard

Tag 031 - Tactile Keypad

Tag 040 - Radio Buttons 

Tag 050 - Check Boxes