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#internal-controls

Internal Controls

Systems and procedures that safeguard assets, ensure accurate records, and prevent fraud

The End-of-Day Close: Z-Reports, Cash Drawer Counts, and Three-Way Daily Sales Reconciliation

A step-by-step end-of-day close for retail and restaurants — X-read, tip adjustments and card batch settlement, Z-report, a blind drawer count, and the three-way match of POS expected against counted cash against bank settlement. Covers over/short thresholds, why overs signal shortchanged customers, posting variances to a cash-over-short account instead of adjusting sales, and the wage-deduction rules that make docking pay for a short drawer risky.

Mercury Command: What Happens When You Run Your Business Banking by Talking to It

Mercury Command, launched June 16, 2026, lets founders run business banking in plain English — checking cash, changing transfer rules, categorizing transactions, and sending invoices — with every action staged for explicit human approval. This guide explains what it does, the agent-card spend controls that followed, and the adoption checklist small businesses need before granting AI payment access.

When Your 401(k) Becomes a Large Plan: The 100-Participant Audit Trigger, the 80-120 Rule, and Your First IQPA Audit

Since 2023 plan years only 401(k) participants with account balances count toward the 100-participant large-plan line, so a 60-employee company can owe an $8,000 to $12,000 IQPA audit with its Form 5500. This guide covers the day-one count, how the 80-120 rule defers the audit, the July 31 and October 15 deadlines, and a first-audit preparation checklist.

Dim Sum Restaurant Bookkeeping: Carts, Tea Charges, and High-Volume Low-Ticket Margins

A per-person tea charge is a service charge, not a tip — it is taxable revenue, and any share paid to staff is wages subject to withholding. This guide covers dim sum bookkeeping specifics: cart versus order-sheet labor tracking, prime cost at or below 60–65 percent, food cost of 28–33 percent, weekend labor per cover, and the cash controls a stamp-card room needs.

After the DMEPOS Freeze: What the 2026 CMS Fraud Crackdown Means for Your Medical Supply Business

CMS froze new DMEPOS Medicare enrollment from February 27 to August 27, 2026, barred 11 suppliers tied to $3.4 billion in suspected fraudulent billing, and suspended $5.7 billion in Medicare payments during 2025. Here is what actually changed for legitimate medical supply businesses and the seven billing and bookkeeping controls that keep claims paid and supplier numbers intact.

The Four Types of Audit Opinions, Explained: What Qualified, Adverse, and Disclaimer Actually Mean

An auditor issues one of four opinions — unqualified, qualified, adverse, or disclaimer — decided by two questions: whether the problem is a GAAP departure or a scope limitation, and whether it is material but confined or material and pervasive. This guide maps that grid, explains why a going-concern paragraph is not a qualification, and lists the bookkeeping habits that keep an opinion clean.

Gas Station and Convenience Store Bookkeeping: Where Your Pennies Per Gallon Actually Go

How to keep the books for a gas station with a convenience store — splitting fuel from inside sales, tracking tank inventory in gallons, booking lottery as an agency arrangement, recording tobacco buydowns, and keeping card fees off the revenue line. U.S. convenience stores rang up a record $341 billion of in-store sales in 2025, yet NACS found the average in-store basket lost roughly seven cents per transaction after expenses.