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401(k) & IRA Mechanics

401(k) & IRA Mechanics

All 401(k) & IRA Mechanics articles from Retirement Plainly.

Latest Articles

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How 401k Vesting Schedules Release Employer Money

401(k) vesting schedules determine when employer contributions legally transfer to an employee — the IRS permits clif...

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When a 401(k) Rollover Is Permitted

401(k) rollover eligibility depends on plan rules, employment status, and IRS timing requirements — not on a single u...

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How IRA Contribution Basis Is Tracked Over Time

IRA contribution basis is the cumulative record of after-tax dollars put into an IRA — tracked separately from earnin...

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401(k) Employer Match: How the Limit Works

The 401(k) employer match limit is set by IRS Section 415 as a combined cap on employee and employer contributions, n...

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IRA Rollover Basis Rules After Conversion

IRA rollover basis rules determine which dollars were already taxed and which were not — a distinction that controls ...

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Roth IRA Basis Tracking at Withdrawal

Roth IRA basis tracking separates contributed dollars from earnings so the IRS can determine which withdrawals are ta...

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Roth IRA Income Phase-Out: How the Limit Works

Roth IRA contribution limits phase out across an income range set by the IRS each year — the formula reduces the allo...

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401(k) Contribution Limits and Employer Matching

401(k) contribution limits are set annually by the IRS, and employer matching formulas determine how much an employer...

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How a 401(k) Rollover to an IRA Works

A 401(k) rollover to an IRA moves assets between two different account types through a specific IRS-defined process t...

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Do 401k Distributions Count as Income

401(k) distributions from traditional accounts count as ordinary taxable income in the year received; Roth 401(k) qua...

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How 401(k) Rollover Rules Work After a Job Change

401(k) rollover rules govern how plan balances move after a job change — direct vs. indirect transfers, the 60-day wi...

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How Traditional and Roth IRA Tax Treatment Differs

Traditional and Roth IRAs apply opposite tax timing: one defers taxation to withdrawal, the other taxes contributions...

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How RMDs Are Actually Calculated

Required minimum distributions are calculated by dividing a prior year-end account balance by an IRS life-expectancy factor — the formula, timing, and…

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How 401(k) Employer Contribution Vesting Works

Vesting schedules determine when employer contributions to a 401(k) become permanently owned by the employee, following IRS-defined cliff or graded…

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