Setting up your invoice cost centre with XeroIntroduction to billing with Xero
Setting up Invoice tracking categories with XeroHow to apply Tracking Categories & Tracking Options to Invoice line-items from Traffio
Syncing your clients with XeroThis article goes over have to sync your Clients to your contacts within your account software for invoicing.
Matching your billable items with Xero's Chart of Accounts
How to send forms with invoices to XeroThis Article will explain how to send Forms completed on a worksite with the works invoice to Xero