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#treasury-management

Treasury Management

Manage treasury operations and cash positions effectively

Section 6603 Deposits: Stop IRS Interest on Disputed Tax Without Giving Up Appeal Rights

A Section 6603 deposit freezes IRS underpayment interest on contested tax while preserving your appeal, Tax Court, and withdrawal rights. This guide covers the written designation under Rev. Proc. 2005-18, when a deposit beats a payment, LIFO withdrawal mechanics, and the procedural traps that turn planned deposits into accidental payments.

Series I Savings Bonds in 2026: An Inflation Hedge for Personal and Business Cash Reserves

At the May 2026 reset, Series I Savings Bonds pay a 4.26% composite rate — a 0.90% fixed rate locked for 30 years plus a 3.34% annualized inflation rate — with state-tax exemption and a $10,000-per-SSN annual cap. A practical guide to where I bonds fit in personal and small-business cash strategy, including LLC entity-account stacking, the 12-month lock and 5-year penalty, and the education-exclusion rules.