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Below is an example bill:
Invoice Details
Invoice Date and Tax Point: The date selected in the Tenant Bill Run Initiation Activity
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Invoice Number: This is made up of 5 sections
In the example: 
TB1234 - The Invoice Prefix added in the Tenant Billing Group set up
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190131 - The end date of the bill, 31st January 2019
58711 57990 - The invoice number
01 - A check digit
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View the Bill Period
Breakdown of Charges
These are the charges that 
The following charges are associated with the Tenant Provider.
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The last line gives the total of the bill and the bill due date
The date is sourced from the Tenant Account
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