This guide is for mapping reference rates, when an underlier in your system matches one found in KOR's allowed [reference rate values](https://airtable.com/app60NGcjE1qtzTCu/shrNp1xVGg5iEYX9F). For mapping reference rate and other product related fields please see [this](https://scribehow.com/shared/Reference_Rate_Configurations__35EAL6KrShKYG9wdSv6k4w?referrer=documents) guide.

When you see the rejection "Invalid Allowed Value" Field: "Reference rate" or "Other reference rate"

Switch to your internal system to look up details on your submitted value

Navigate to ["KOR Technical Specifications: Allowed Value List - Airtable](https://airtable.com/app60NGcjE1qtzTCu/shrk9ryAhEyZonks4)" then the Reference Rate (CO) - Index view

Type key words based on the reference rate value in your system. ([help](https://help.korfinancial.com/field))

Click and copy name of applicable index name

NATURAL GAS-APPALACHIA (REX, CLARINGTON OHIO)-INSIDE FERC

Switch to tab "Rejections - Regulatory Message - Pre-validation - KOR - Services"

Paste in the airtable reference rate value

Paste in your internal value that failed submission

Step click on the rejection card for "Invalid enum (25) - Commodity Region" or "Other commodity region"

Identify the applicable region value ([help guide](https://help.korfinancial.com/commodity-region/other-commodity-region)) and copy the value from the airtable [Allowed Value List](https://airtable.com/app60NGcjE1qtzTCu/shriPXdAwS4LurilL)

Guide to configuring Reference Rates in KOR