Legally, sole proprietors and self-employed individuals are NOT always required to issue invoices to consumer clients in most jurisdictions — but you ARE required to keep records of every sale for tax purposes, and most B2B clients will require an invoice. If you're VAT/GST-registered, invoices ARE legally required. This guide covers when invoices are required, when they're not, the records you must keep regardless, and special cases like gig work and cash-only businesses.
Legally, not always — depends on jurisdiction and customer type. Practically, yes — invoices serve as legal proof of work delivered.
All business income and expenses. The IRS requires 3-7 years of records depending on the type.
No — you can invoice using your personal name.
Yes — and you should. The invoice creates a paper trail showing what the cash payment was for.
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