Your MyRepublic fibre broadband online invoice contains a brief summary of the plan you’re subscribing to (e.g. GAMER, ULTRA) as well as the charges you've incurred for the month.
It also shows your Customer ID (e.g. C1234567), the invoice date, as well as the payment due date.
Here’s an example of what a fibre broadband subscription invoice looks like when you access it on MyAccount: