VAT Inclusive and VAT Exclusive Meaning: UK Invoice Guide
VAT inclusive includes the tax; VAT exclusive leaves it out. Read UK prices, check quotes and record invoice amounts on the correct VAT basis.
Invoice FundamentalsUKVAT
8 min
Invoice Fundamentals
Essential references on invoice types, terminology, and processing workflows. Educational guides for finance professionals and business owners.
30 articles
Invoice Fundamentals Articles
What Is a Line Item? Invoice Meaning and Examples
A line item is a separately listed entry. See invoice examples and learn how to distinguish products, charges, discounts, and totals.
Invoice FundamentalsInvoicesPurchase Orders
8 min
Credit and Rebill: How to Calculate the Balance Due
Learn how an original invoice, full credit, replacement invoice, and prior payments combine to determine the true balance due.
Invoice FundamentalsCredit NotesAP/AR Workflows
8 min
Invoice Number vs Reference Number: Same or Different?
An invoice number identifies a supplier invoice. A reference number may match it or identify a payment, PO, account, project, or internal record.
Invoice Fundamentalsinvoice fieldssupplier invoices
5 min
Quotation vs Invoice: Differences and When to Use Each
Learn how quotations and invoices differ, when each is used, what acceptance changes, and how AP teams avoid booking quotes as payables.
Invoice FundamentalsquotationsDocument Comparisons
13 min
Bill of Lading vs Commercial Invoice vs Packing List
Compare bills of lading, commercial invoices, and packing lists, see which fields should align, and resolve legitimate shipment-document differences.
Invoice FundamentalsLogisticsshipping documents
15 min
What Is a Payment Voucher? Format, Example, and AP Flow
Learn what a payment voucher is, the fields it contains, how it moves through accounts payable, and how it differs from invoices and receipts.
Invoice Fundamentalspayment vouchersaccounts payable
10 min
Invoice Payment Terms: What Net 30 Means and When to Pay
What Net 30, EOM, 2/10 net 30 and due on receipt mean on an invoice you received, which date starts the clock, and when payment is actually due.
Invoice Fundamentalspayment termsnet 30
24 min
What Is a GL Code? Structure, Examples, and Who Assigns It
A GL code is the general ledger account your accounting team assigns to a transaction. It isn't on the supplier's invoice — see why, and how codes are built.
Invoice FundamentalsGL codingchart of accounts
18 min
What Is a PO Number? Where It Sits on Your Invoice
What a PO number is, who issues it, and where it appears on an invoice — plus how it arrives wrong, why format matters, and what happens when it's missing.
Invoice FundamentalsPurchase Ordersinvoice matching
20 min
Credit Memo vs Debit Memo: Meaning, Direction, and AP Use
Compare credit memos and debit memos across AP, AR, and bank contexts. Learn who issues each document, how balances move, and what AP should verify.
Invoice FundamentalsCredit NotesDebit Notes
9 min
What Is Accounts Payable? Definition, Example, and Process
Learn what accounts payable means and where it appears. Follow a supplier invoice from a current liability through payment and clearing.
Invoice Fundamentalsaccounts payablesupplier invoices
6 min
Accounts Payable vs Receivable: Invoice Workflow Guide
Learn the AP vs AR difference through invoice workflows: received supplier bills in accounts payable and customer invoices in accounts receivable.
Invoice FundamentalsDocument Comparisonsaccounts payable
11 min
Proforma Invoice, Credit Note, and Invoice Copy Terms
Understand proforma invoices, credit notes, invoice copies, and proforma credit notes so mixed document batches are classified and posted correctly.
Invoice FundamentalsCredit Notesproforma invoices
10 min
What Is a Credit Invoice? Meaning, Uses, and Common Pitfalls
A credit invoice typically means a credit note or credit memo that reduces an earlier invoice. Learn what it covers, when to use it, and what to watch for.
Invoice FundamentalsCredit NotesCredit Memos
21 min
Invoice Notes: Definition, Types, and AP Treatment
Invoice notes hold unstructured context outside standard fields. Learn how document, line, and internal AP notes work, and how they differ from credit notes.
Invoice Fundamentalsinvoice fieldsinvoice document types
14 min
What Is a Proforma Invoice? Guide for AP Teams
What a proforma invoice is and how it differs from a final invoice. Learn what AP teams should do when one arrives and how to reconcile it later.
Invoice Fundamentalsproforma invoicesaccounts payable
7 min
German Invoice Types: Abschlagsrechnung to Schlussrechnung
Explains Abschlagsrechnung, Teilrechnung, Schlussrechnung, Anzahlungsrechnung, Sammelrechnung, Proforma-Rechnung, VAT timing, and XRechnung type codes.
Invoice FundamentalsGermanyAbschlagsrechnung
16 min
SKR03 vs SKR04: German Chart of Accounts Explained
English guide to SKR03 vs SKR04, with chart structure, invoice coding, DATEV handoff, ERP mapping, and when each setup fits best.
Invoice FundamentalsGermanyDATEV
14 min
Incoterms on Commercial Invoices: Requirements Explained
Practical guide to showing Incoterms on commercial invoices, formatting the term correctly, and matching invoice wording to freight and shipping documents.
Invoice FundamentalsLogisticscommercial invoice
13 min
Packing List vs Invoice: Key Differences Explained
Packing lists describe what is physically shipped; invoices record what is billed. Learn the key field, workflow, and customs differences and why mismatches matter.
Invoice FundamentalsLogisticsshipping documents
12 min
GRN Meaning and Full Form: What Is a Goods Received Note?
GRN stands for goods received note: the buyer's own record of what arrived. Covers GRN meaning in accounting, procurement and warehousing, fields, and matching.
Invoice Fundamentalsthree-way matchingprocurement documents
27 min
Credit Note vs Invoice: Key Differences Explained
Learn credit note vs invoice differences, how credit memos and credit invoices fit, and how to apply credits against paid or unpaid invoices.
Invoice FundamentalsCredit Notesinvoice document types
23 min
How to Organize Invoices and Receipts: A Complete System
Organize invoices and receipts with a four-level system from physical filing to AI automation. Folder templates, IRS retention rules, and backlog cleanup guide.
Invoice FundamentalsReceiptsdocument organization
33 min