---
title: "FIX 5.0 SP2 EP292: UnderlyingExerciseConfirmationMethod <41815> field – FIX Dictionary – Onix Solutions"
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# UnderlyingExerciseConfirmationMethod <41815> field

## FIX 5.0 SP2 EP292

### Description

 Type: [int](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep292/index.html#int)

 Indicates whether follow-up confirmation of exercise (written or electronic) is required following telephonic notice by the buyer to the seller or seller's agent.

Valid values:

- 0 = Not required
- 1 = Non-electronic
- 2 = Electronic
- 3 = Unknown at time of report

### Used In

- [<UnderlyingOptionExercise>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep292/compBlock_UnderlyingOptionExercise.html)

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