The OwnInvoice Blog
Get paid faster, stay GST-compliant, and run the money side of your business with confidence.
A Readable Invoice: A Practical Design Checklist for Screen and Print
Make invoice details easier to read with clear type, strong contrast, sensible spacing and a full-size PDF check before you send.
Read article →Polite Payment Reminders: Three Templates and a Simple Follow-Up Routine
Ready-to-adapt messages for an upcoming due date, an overdue invoice and a payment-status check, plus a routine to avoid chasing invoices already paid.
Read article →GST Tax Invoice Format: Every Mandatory Field Under Rule 46, Explained
The fields every GST tax invoice must show under Rule 46, when to issue it, how many copies you need, and the mistakes that cost your buyer their input tax credit.
Read article →Bill of Supply Under GST: Who Issues It, Format and How It Differs From a Tax Invoice
Composition dealers and sellers of exempt goods cannot issue a tax invoice. Here is who needs a bill of supply, what Rule 49 requires, and the mistakes to avoid.
Read article →Debit Note vs Credit Note Under GST: When to Issue Each, With Examples
Section 34 explained: when a supplier issues a credit note or a debit note, what both must contain, the time limits, and how they affect GST returns and ITC.
Read article →Delivery Challan Under GST (Rule 55): When You Need One and What It Must Show
Job work, goods on approval, stock transfers: when GST lets you move goods on a delivery challan instead of an invoice, the mandatory fields, and how it links to the e-way bill.
Read article →GST Invoice Numbering Rules: 16 Characters, Unique Per Year, and How to Design Your Series
What Rule 46 says about invoice numbers, which characters are allowed, whether to restart every April, and a simple numbering scheme for multiple branches and document types.
Read article →CGST + SGST or IGST? How Place of Supply Decides the Tax on Your Invoice
Intra-state or inter-state? How place of supply rules for goods and services decide whether you charge CGST + SGST or IGST, with worked examples and how to fix a wrong charge.
Read article →How Many HSN Digits Do You Need on a GST Invoice? 4, 6 or 8 Explained
The turnover-based HSN and SAC digit rules, how the codes are structured, what changes for exports, and a practical way to find the right code for your products.
Read article →E-Invoicing Under GST: Who Must Comply, How IRN and QR Codes Work, and the 30-Day Rule
Who is covered by GST e-invoicing, which documents need an IRN, how the IRP process works, the 30-day reporting limit, and what happens if you do not comply.
Read article →The MSME 45-Day Payment Rule: How Small Businesses Can Use It to Get Paid on Time
How Sections 15 and 16 of the MSMED Act and the income-tax rule on MSME payments protect micro and small suppliers, and what to put on your invoices to use them.
Read article →Advance Payments Under GST: Receipt Voucher, Refund Voucher and Where a Proforma Invoice Fits
When GST is payable on advances, what a receipt voucher must contain under Rule 50, how refund vouchers work, and why a proforma invoice is not a tax invoice.
Read article →Self-Invoice Under Reverse Charge: When the Buyer Has to Raise the Invoice
When reverse charge applies, when a registered buyer must issue a self-invoice and payment voucher, the 30-day time limit, and how to pay the tax and claim credit.
Read article →10 Invoice Mistakes That Are Costing You Money (And How to Fix Each One)
You did the work. You sent the invoice. And now you're waiting. Days turn into weeks. Here's the uncomfortable truth: in the majority of cases, late payments aren't the client's fault — they're yours.
Read article →Every Type of Invoice Explained: A Plain-English Guide for Freelancers and Small Businesses
You finished a project. You need to bill the client. You open Google and type 'how to create an invoice.' Simple enough.
Read article →GST Invoice for Freelancers in India: Everything You Need to Know in 2026
You're a freelancer in India. Business is growing. And then someone asks: 'Do you have a GSTIN? I need a GST invoice.'
Read article →How to Create a Free Invoice Online in Under 2 Minutes (Step-by-Step Guide for 2026)
You just wrapped up a project. The work is done, the client is happy, and now there's one thing standing between you and getting paid — an invoice.
Read article →How to Get Paid Faster as a Freelancer: 9 Strategies That Actually Work
Let's talk about the part of freelancing nobody romanticizes: waiting to get paid.
Read article →How to Invoice as a Freelancer (And Actually Get Paid on Time) — The Complete 2026 Guide
There's a strange paradox in freelancing. You can be brilliant at your craft — design, development, writing, consulting — and still be terrible at the one thing that keeps your business alive: gett…
Read article →How to Invoice International Clients: A Freelancer's Guide to Cross-Border Billing
Your client is in New York. You're in Bangalore. Or London. Or Lagos. Or anywhere that isn't where your client's bank account lives.
Read article →How to Look Like a Premium Freelancer (Even If You're Just Getting Started)
There's a moment in every freelancer's career when they realize something uncomfortable: the quality of your work isn't the only thing that determines what you can charge.
Read article →How Your Invoice Affects What You Can Charge: The Psychology of Freelance Pricing
Here's something no freelance pricing guide ever tells you: your invoice is a pricing tool.
Read article →Invoice Generator vs. Invoicing Software: Which One Do You Actually Need?
You've decided to stop making invoices in Word or Excel. Good call. But the moment you start looking for alternatives, you run into a problem nobody warned you about: there are hundreds of options,…
Read article →Scope Creep Is Costing You Thousands. Here's How to Stop Working for Free.
It starts small. Always.
Read article →The Freelancer's Client Onboarding Checklist: From First Email to First Invoice
The difference between freelancers who get hired once and freelancers who get hired repeatedly comes down to something that has nothing to do with talent.
Read article →The Freelancer's Guide to Keeping Clean Financial Records (Without Hiring an Accountant)
Nobody becomes a freelancer because they love bookkeeping.
Read article →The Freelancer's Guide to Retainer Agreements: How to Bill Clients Monthly and Build Predictable Income
Here's the math that haunts every project-based freelancer.
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