⚙️ Configure Invoice Settings in Composer

What are invoice settings in Composer?

Invoice settings control the information Composer uses when generating invoices.

This includes:

• invoice numbering
• business details shown on the invoice
• bank or payment details shown to the customer
• the contact email used for invoice-related communication

You should complete these settings before using Composer to generate invoices for wholesale, account-based, or custom orders.

Before you start

Before updating your invoice settings, make sure you have:

• your business name and registered details
• your invoice reference format
• your VAT number, if applicable
• the address and email you want shown on invoices
• the bank details you want customers to pay

If you plan to invoice imported Slerp orders, also check that your Default Customer payment terms are set correctly.

Step 1 – Open the Invoice Settings page

1. Log in to your Slerp Controls dashboard.
2. Open Composer.
3. Click Settings in the top-right corner.
4. Open the Invoices tab.

This is where you manage the invoice details Composer uses when creating invoices.

Step 2 – Set the invoice reference format

Under the Reference section, complete:

• Reference Code – the prefix used for your invoice numbers
• Reference Padding – the number of digits used after the reference code

Example

If your settings are:

• Reference Code: INV
• Reference Padding: 6

Your invoice numbers may follow a format such as:

• INV000001
• INV000002

Choose a numbering format that works for your finance process and is easy to track.

Step 3 – Add your business details

Under Business Details, complete:

• Name
• Number
• VAT Number
• Address
• Email

These details appear on the invoices generated by Composer, so they should reflect the business information you want your customers to see.

Step 4 – Add your payment details

Under Payment Details, complete:

• Sort Code
• Account
• Invoice Dept. Email

These fields help customers understand where payment should be sent and who to contact about invoice-related questions.

Make sure these details are accurate before generating any invoices.

Step 5 – Save your changes

1. Review all fields carefully.
2. Click Submit.

Once saved, Composer will use these settings when generating invoices.

Payment terms for invoicing

Invoice settings control the invoice layout and payment information, but your payment terms may also depend on your customer account setup.

For imported Slerp orders, payment terms are typically managed through the Default Customer account setup in Composer.

A common setup flow is:

1. Go to Accounts.
2. Open Customers.
3. Select Default Customer.
4. Open the relevant account.
5. Edit the payment terms.
6. Save the changes.

If your team uses account-based invoicing, make sure the account setup and payment terms match your agreed commercial terms.

⚠️ Important notes

• Invoice settings should be completed before generating invoices for customers.
• If your payment or business details change, update them in Composer before sending future invoices.
• Payment terms may be managed separately through customer/account settings.
• For Slerp-imported orders, your default customer setup may affect the due date used on invoices.

Troubleshooting

My invoice numbering looks wrong? 

Check the Reference Code and Reference Padding fields, then save your changes.

The wrong business details appear on the invoice?

Review the Business Details section and update any incorrect information.

Customers are asking where to pay?

Check the Payment Details section and make sure the sort code, account number, and invoice department email are correct.

The invoice due date does not match what I expected?

Check the payment terms configured on the relevant default customer or account setup.