• Invoice Records: The billing history includes details of all invoices generated by the ticketing system. This may encompass information such as invoice numbers, dates, and itemized lists of charges for the services utilized. 
   
• Payment Transactions: It tracks payments made by users or clients for the services provided by the ticketing system. This includes payment dates, amounts, and payment methods used. 
   
• Credit Transactions: If there are any credit transactions, adjustments, or refunds, these are typically documented in the billing history. This ensures transparency and accuracy in financial records. 
   
• Subscription Changes: In the case of subscription-based models, the billing history reflects changes in subscription plans, upgrades, downgrades, or any modifications to the billing structure. 
   
• Renewal Information: For services that require periodic renewals, the billing history provides details on the renewal dates, associated costs, and any changes in subscription terms. 
   
• Tax Information: Relevant tax details, such as applied taxes or exemptions, may be included in the billing history to ensure compliance with taxation regulations. 
   
• Statement of Account: Some ticketing systems provide a statement of account summarizing the overall financial activity, including outstanding balances, if applicable. 

In summary, the billing history in a ticketing system is a comprehensive record of financial transactions, providing transparency and accountability in the billing process for both the service provider and the users.