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Invoice knowledge base
Dictionary articles
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Invoice knowledge base
Become an expert in invoicing and optimise your business accounting.
Invoices
What information needs to be on an invoice?
What are VAT invoices and who needs to issue them?
What's the difference between a receipt and an invoice?
How to create an invoice
Zero-rated and VAT-exempt products or services & your invoices
When to use an invoice vs. a quote
When should I issue an invoice?
Time limits for issuing invoices
Should I put my UTR number on my invoices?
Proforma invoices and VAT
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Credit notes & other sales documents
The role of a credit note in invoicing
How to legally change an invoice with a credit note
What is a quote and how do you write one?
Invoice, proforma invoice, quote, delivery note - differences and functions
How to correct an incorrect invoice
Should I send my customer a quote or a proforma invoice?
Delivery note templates for Word and Excel
Invoicing Software
The different types of invoicing software
The benefits of online invoicing software
Getting started with SumUp Invoices
Invoicing software for freelance architects
Invoicing software vs. Excel
Invoicing software for freelancers and small businesses
Is it mandatory to use invoicing software?
Invoice payments
Can you use a proforma invoice for a deposit?
What are invoice payment terms?
How to manage overdue invoices
What is a payment receipt?
Managing deposits with invoicing software
How to apply late fees to invoices
The advantages of online payments for your invoices
VAT between the UK and the US
Invoice templates
Invoice templates for Word and Excel
Invoice templates for plumbers
Invoice templates for sole traders
Invoice templates for auto garages
Invoice templates for cleaning services
Invoice templates for construction services
Self-employed invoice templates
VAT-exempt invoice templates
Proforma invoice vs. completed invoice template
Freelance copywriter? Make your invoices as easy to understand as your copy
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