The following table provide details on billing terms.

Elements	Description	Sample values
`offeringCode`	Used to indicate the offering for which the charges apply. Actual values followed by an explanation are presented.	Sample offering codes are: `DBAAS` - Cloud Databases `MAAS` - Cloud Monitoring `CBS` - Cloud Block Storage `CBCKUP` - Cloud Backup `CFILES` - Cloud Files
`chargeType`	Used to indicate the type of charge. The supported `chargeTypes` vary with each `offeringCode`.	Sample charge types are: `UPTIME` - Instance usage `STORAGE` - Storage usage `NUM_CHKS_HRS` - Number of checks per hour `STORAGE_BKUPS` - Hourly storage usage for backups
`itemType`	Type of the invoice item.	Sample item types are: `PRODUCT_CHARGES` `OTHER_CHARGES` `SUPPORT_CHARGES`
`methodId`	Unique identifier referring to the method of payment.	Example: d35d7160-c3f0-11e2-8b8b-0800200c9a66
`methodType`	Type of payment method which is used to make the payment.	Payment method types: `CREDITCARD` `ACH` `ECHECK` `WIRE` `UKDD` `NLSEPA` `CASH` `CHECK`
`paymentTerms`	Conditions under which Rackspace completes a sale.	Sample payment terms are: `NET_30` - 30 days payment term `NET_45` - 45 days payment term
`unitOfMeasure`	Used to indicate the `unitOfMeasure` that is applicable to the returned quantity. Actual values followed by an explanation are presented.	Sample unit of measures are: `HRS` - Hours `MINUTES` - Minutes `NO_OF_DAYS` - Number of days `GB` - GigaBytes `MB` - MegaBytes `COUNT` - Count `GB_HRS` - GigaByte hours `CHKS_HRS` - Checks hours
`amountDue`	The amount due for the billing period when the invoice gets generated.	Example: 1500.25
`pastDue`	The past balance due from the previous month for an invoice.	Example: 10.5
`currentBalance`	The total balance due for the current billing period including the past due balance.	Example: 1510.75
`monthlyRecurringRevenue`	The average of the last three bills, provided as a guideline for customer expectations (but not an actual bill).	Example: 1510.75