# 2026-01450: TSP Roth Rule Gets a Wordy Fix-Up Without Fanfare

2026-01450, Roth In-Plan Conversion; Correction, is a Federal Register rule from Federal Retirement Thrift Investment Board published 2026-01-26, effective 2026-01-28 (as of 2026-06-11).

- Canonical: https://policyrisk.com/federal-register/2026-01450
- As of: 2026-06-11
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Document number: 2026-01450
- Title: Roth In-Plan Conversion; Correction
- Type: Rule
- Agencies: Federal Retirement Thrift Investment Board
- Citation: 91 FR 3027
- Published: 2026-01-26
- Effective: 2026-01-28
- Comments close: not stated
- Significant: no
- Touches household money: no
- Regulation identifier numbers: 3222-AA00
- Last updated: 2026-06-11

## In one line

TSP Roth Rule Gets a Wordy Fix-Up Without Fanfare

## Summary

If you’re in the Thrift Savings Plan (TSP), a tiny fix was made to the new rule letting you switch traditional TSP money to Roth TSP. The correction clears up a wording mix-up about the start date for Roth conversions but doesn’t change how the rule works or affect your money. This update kicks in on January 28, 2026, so get ready to make those Roth moves with confidence!

## Abstract

The Federal Retirement Thrift Investment Board (FRTIB) published a final rule in the Federal Register on January 15, 2026, amending its regulation to permit participants in the Thrift Savings Plan (TSP) to convert amounts in their traditional TSP balances to their Roth TSP balances (91 FR 1669). This document corrects a minor, non-substantive issue in the published version, where one instance of the term "Roth initiation date" appeared rather than the term "Roth begin date."

## Effects PRIA read

- TSP allows traditional-to-Roth conversions: benefit, medium. If you are a Thrift Savings Plan (TSP) participant, the rule permits you to convert amounts in your traditional TSP balance to your Roth TSP balance. This permission was part of the final rule published January 15, 2026, and is effective January 28, 2026.
- Clarified Roth begin date for dual accounts: benefit, low. A minor correction clarifies wording in the rule: the term 'Roth begin date' replaces 'Roth initiation date.' It also says that if a participant has both a civilian account and a uniformed services account, the Roth begin date for both accounts will be the same. The correction is effective January…

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## Sources
- [2026-01450 on federalregister.gov](https://www.federalregister.gov/documents/2026/01/26/2026-01450/roth-in-plan-conversion-correction)
- [2026-01450 as published (PDF)](https://www.govinfo.gov/content/pkg/FR-2026-01-26/pdf/2026-01450.pdf)

## Related
- [Previous: 2026-01442, Delete, Delete, Delete](https://policyrisk.com/federal-register/2026-01442)
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Source: PRIA, https://policyrisk.com/federal-register/2026-01450 (as of 2026-06-11).