What is a 400 Bad Request?
A 400 Bad Request (HTTP 400) error occurs when the server does not understand the request and returns an error message to the client.
- Example: A customer places an order online, but the website's form does not validate their input correctly. The server receives the request but cannot process it due to missing or invalid data.
 - Result: The client is presented with a "400 Bad Request" error message, which may include details about what went wrong and how to correct it.
 
Registering an Online Business: A Step-by-Step Guide for Fix-It Right Plumbing Melbourne
To register your online business with the state government of Victoria, Australia (as demonstrated in this example), follow these steps:
- 1. Choose a Business Name: Ensure your chosen name is unique and complies with Victorian regulations.
 - 2. Register Your Company: Create an account on the official Australian Government website (here).
 - 3. Provide Business Details: Enter required business information, such as your address and contact details.
 - 4. Obtain an ABN (Australian Business Number): You will be issued an ABN by the Australian Taxation Office (ATO) for tax purposes.