Duplicate Invoice Payments: The Hidden Profit Leak Draining Up to 2% of Your Vendor Spend
Duplicate payments siphon 0.8–2% of vendor spend. Sweep your AP history, recover overpayments fast, and lock in five controls.
#accounts-payable
Accounts Payable
Manage vendor payments, track bills, and optimize cash outflow
Vendor Deposits and Prepaid Supplier Advances: How to Book Cash You Paid Before the Goods Arrive
A vendor deposit is an asset, not an expense: book it to Advances to Suppliers, apply it to the final invoice, and deduct only when IRS timing rules allow.
Illinois Freelance Worker Protection Act: What Hiring Businesses Must Put in Writing
Illinois FWPA: freelance deals of $500+ (aggregated over 120 days) need a written contract and payment within 30 days — or owe double damages plus fees.
Uganda EFRIS Expansion: 12 Sectors, Double-Tax Penalties and How to Comply
Uganda’s EFRIS now covers 12 sectors regardless of VAT status; a missed e-invoice costs double the tax due or UGX 200,000 — here is how to comply.
Benford's Law: The First-Digit Test That Catches Fake Invoices in Your Books
About 30% of real accounting amounts start with the digit 1 — fabricated invoices rarely do. Here's how to run a Benford first-digit test in a spreadsheet.
5–6% of Your Carrier Invoices Are Wrong: How Freight Audits Recover Overcharges
Roughly 5–6% of carrier bills are calculated inaccurately — match each freight invoice to its contract and BOL, then dispute overcharges within 180 days.
AI Deepfakes Now Drive 40% of Business Email Compromise: The AP Controls That Stop a Cloned Voice From Approving a Fake Wire
40% of business email compromise now uses AI deepfakes. Out-of-band callbacks, dual approval, and locked vendor records stop voice-clone wire fraud.
Reverse Sales Tax Audits: How to Get Back the Sales and Use Tax You Overpaid
A reverse sales tax audit recovers US sales and use tax you overpaid to vendors or self-assessed — most states allow refund claims three to four years back.
Ask Your AI Assistant What You Owe and Who Owes You: AP Data Inside AI Workspaces
Ottimate's June 2026 MCP integration lets you query live AP data from Claude or ChatGPT; Billtrust followed for AR. Start read-only, with audit logs on.
AI Benchmarking for Accounting: How to Measure Whether Your LLM Gets the Numbers Right
With 62% of finance professionals reporting an AI error has reached a client, this guide shows how to build a 50-document ground-truth test set, score field-level accuracy and straight-through rate, and set confidence thresholds for invoice extraction and expense classification.
How to Audit Your FedEx and UPS Invoices (and Claim the Refunds You're Probably Missing)
Carrier billing errors cost shippers 3 to 5 percent of parcel spend, and late-delivery refunds expire 15 days after the invoice (FedEx) or scheduled delivery (UPS). This eight-point audit checklist covers service failures, duplicates, DIM errors, and bogus surcharges, plus a weekly routine that keeps claims inside the window.
Payment-Approval Limits for a Two-Person Finance Team: A Practical Disbursement Matrix
A ready-to-copy payment-approval matrix for two-person finance teams — who creates, approves, releases, and reconciles each disbursement type, the dollar limits and escalation triggers to set, and the compensating controls that cover what two people cannot segregate.