# Blog Source: https://planprovider.pro/blog?page=2 > Guides, comparisons, and analysis on 401(k) providers, ERISA compliance, plan audits, and retirement plan benchmarking. Guides, comparisons, and analysis on 401(k) providers, ERISA compliance, plan audits, and retirement plan benchmarking. Page 2 of 3. - ## [Limited Scope 103(a)(3)(C) Plan Audits Explained](https://planprovider.pro/blog/limited-scope-103a3c-plan-audits) January 7, 2026 Limited scope 103(a)(3)(C) plan audits can reduce audit procedures when certain plan investments are certified by a qualifying institution. This guide explains how they work, who qualifies, what auditors still test, and how plan sponsors can prepare for a clean Form 5500 filing. - ## [Cash Balance Plan Basics for Employers](https://planprovider.pro/blog/cash-balance-plan-basics-for-employers) January 3, 2026 A cash balance plan can allow business owners and key employees to save far more than a 401(k) alone—while still offering a retirement benefit to staff. Here are the cash balance plan basics, including how it works, who qualifies, and how to hire the right provider and advisor. - ## [What is a Form 5500?](https://planprovider.pro/blog/what-is-form-5500) December 15, 2025 If you manage a retirement plan, the Form 5500 is one of the most critical documents you will handle all year. Often described as the "tax return" for employee benefit plans, this annual report provides the federal government with a snapshot of your plan's financial condition, investments, and oper… - ## [The High Cost of Non-Compliance: Penalties for Late or Rejected Form 5500 Audits](https://planprovider.pro/blog/cost-and-penalties-for-late-or-rejected-form-5500-audits) December 11, 2025 The Department of Labor (DOL) and the Internal Revenue Service (IRS) have strict protocols for these filings. Understanding the financial risks involved—ranging from daily fines to potential plan disqualification—is essential for every plan administrator. - ## [What Is a 401(k) Audit and When Do I Need One?](https://planprovider.pro/blog/what-is-401k-audit) December 8, 2025 Understanding the "who, what, and when" of plan audits is critical to maintaining a compliant plan and avoiding costly penalties - ## [What Is Needed for a 401(k) Audit and Where Do I Find It?](https://planprovider.pro/blog/what-is-needed-for-401k-audit) December 6, 2025 Preparation is the single biggest factor in a smooth audit. Knowing exactly what documents are required—and more importantly, where to locate them—can turn a potential headache into a manageable checklist. - ## [401(k) Participant Education: A Plan Sponsor Guide](https://planprovider.pro/blog/401k-participant-education) January 20, 2026 Strong 401(k) participant education can boost plan engagement, improve deferral rates, and reduce confusion at key decision points. This guide shows plan sponsors how to use recordkeeper education meetings and plan advisors for more personalized support—while staying on the right side of ERISA rule… - ## [SEP vs SIMPLE IRA: Key Differences for Employers](https://planprovider.pro/blog/sep-vs-simple-ira) February 27, 2026 SEP IRAs and SIMPLE IRAs are two popular retirement plan options for small businesses—but they work very differently. This guide compares eligibility, contributions, deadlines, and administrative responsibilities so you can choose confidently. - ## [Controlled Groups: Rules and Recordkeepers That Support Them](https://planprovider.pro/blog/controlled-group-rules-and-support) February 28, 2026 Controlled group status can change how your retirement plan must be run—especially for eligibility, compliance testing, and audit requirements. Here’s how to identify a controlled group and which major recordkeepers can support these plan designs. - ## [Plan Advisor Conferences to Know for 2026](https://planprovider.pro/blog/plan-advisor-conferences) February 14, 2026 Choosing the right plan advisor conference can improve your plan governance, vendor management, and compliance oversight. Here’s a practical guide to major NAPA, SPARK, and PLANADVISER events—what they cover, when they typically happen, and what they tend to cost. - ## [3(38) vs 3(21) Fiduciary: What Plan Sponsors Need](https://planprovider.pro/blog/3-38-vs-3-21-fiduciary) January 17, 2026 Choosing between a 3(21) and 3(38) fiduciary is one of the most important decisions a plan sponsor can make. Here’s how “do it with you” differs from “do it for you,” and what liability still stays with the employer. - ## [Market Value Adjustment (MVA) in a 401(k): Explained](https://planprovider.pro/blog/market-value-adjustment-mva-401k-explained) April 25, 2026 A market value adjustment (MVA) can change the value of stable value or guaranteed products when money leaves under certain conditions. Here’s what MVAs mean in a 401(k), how plans end up with them, and what plan sponsors and participants should watch for. - ## [401(k) for Startup Companies: A Practical Guide](https://planprovider.pro/blog/401k-for-startup-companies) March 22, 2026 A 401(k) can help startups compete for talent and give founders a tax-advantaged way to save. Here’s how to choose the right design, set it up, and stay compliant as you grow. - ## [Investment Options in a 401(k) Plan: A Sponsor Guide](https://planprovider.pro/blog/investment-options-in-401k-plan) March 14, 2026 A strong 401(k) lineup is one of the most important decisions a plan sponsor makes—and one of the most scrutinized. Here’s how investment options get selected, what vehicles can be included, and how 3(21) and 3(38) fiduciary support can reduce risk and improve outcomes. - ## [How to Find a Lost 401(k) Account](https://planprovider.pro/blog/how-to-find-lost-401k-account) January 23, 2026 Former employees lose track of old 401(k) accounts all the time—especially after job changes, mergers, or moves. This guide walks through practical steps to locate a missing 401(k), including what to do if it was automatically rolled into an IRA. - ## [DCPP vs Group RRSP: Key Differences for Employers](https://planprovider.pro/blog/dcpp-vs-group-rrsp) February 3, 2026 Choosing between a DCPP and a Group RRSP can shape your total rewards strategy for years. This guide breaks down how each plan works, the compliance tradeoffs, and what employers should consider before deciding. - ## [Plan Auditor Conferences: Top Events in 2026](https://planprovider.pro/blog/plan-auditor-conferences) February 14, 2026 Plan auditor conferences are one of the best ways to stay current on employee benefit plan (EBP) audit standards, Form 5500 changes, and DOL expectations. Here are leading conferences (including NAPA) that plan auditors commonly attend—plus how plan sponsors can benefit from an auditor who invests… - ## [What Is an ERISA Budget Account?](https://planprovider.pro/blog/what-is-an-erisa-budget-account) April 3, 2026 An ERISA budget account can help a retirement plan capture and track revenue sharing and use it to pay appropriate plan expenses. Here’s how these accounts work, what you can pay from them, and the compliance pitfalls to avoid. - ## [PEP vs. MEP Retirement Plan Basics](https://planprovider.pro/blog/pep-vs-mep-retirement-plan-basics) April 18, 2026 PEPs and MEPs let multiple employers band together in one retirement plan. This guide explains how they work, why employers choose them, common drawbacks, and what doesn’t go away—like Form 5500 responsibilities and potential audit requirements. - ## [A guide to 401(k) Financial Advisor Certifications](https://planprovider.pro/blog/guide-financial-advisor-certifications) February 18, 2026 Choosing the right certification can help a 401(k) advisor stand out, build credibility with plan sponsors, and deepen retirement plan expertise. Here are the most respected designations—what they cover, what they cost, how long they take, and how hard they are to earn. - ## [How Audits Work for PEP Plans (PEP Audit Guide)](https://planprovider.pro/blog/how-do-audits-work-for-pep-plans) April 18, 2026 Pooled Employer Plans (PEPs) can simplify retirement plan administration, but they don’t eliminate audit and Form 5500 responsibilities. Here’s how PEP audits work, who sponsors and oversees them, and what to expect from PEP-capable audit firms.