# invoice-group-tag-labels An optional grouping identifier for mid-month charges (such as bill-immediately ad-hoc product inventories and bill-immediately charges). Charges with the same invoice group tag will be invoiced together, generating one invoice per unique tag ## Get invoice group tag labels for a contract owner sub-brand - [GET /contract-owner-sub-brands/{contractOwnerSubBrandId}/invoice-group-tag-labels](https://docs.elevatebilling.com/openapi/prod/billing-rest-admin/invoice-group-tag-labels/getinvoicegrouptaglabels.md) ## Create a new invoice group tag label - [POST /contract-owner-sub-brands/{contractOwnerSubBrandId}/invoice-group-tag-labels](https://docs.elevatebilling.com/openapi/prod/billing-rest-admin/invoice-group-tag-labels/createinvoicegrouptaglabel.md) ## Get a specific invoice group tag label - [GET /invoice-group-tag-labels/{invoiceGroupTagLabelId}](https://docs.elevatebilling.com/openapi/prod/billing-rest-admin/invoice-group-tag-labels/getinvoicegrouptaglabel.md) ## Update an invoice group tag label - [PATCH /invoice-group-tag-labels/{invoiceGroupTagLabelId}](https://docs.elevatebilling.com/openapi/prod/billing-rest-admin/invoice-group-tag-labels/updateinvoicegrouptaglabel.md) ## Delete an invoice group tag label - [DELETE /invoice-group-tag-labels/{invoiceGroupTagLabelId}](https://docs.elevatebilling.com/openapi/prod/billing-rest-admin/invoice-group-tag-labels/deleteinvoicegrouptaglabel.md)