Client billing is only able to be accessed in version 2022 for an 1120-S and 1065 by going to Tools, Billing, Set Billing Options, click Client-Specific Billing Options, but in pas version has been under the Open Forms menu, one of the last forms in the list.
2022 Form 1040 and 1120 have the Client Billing in the Open Forms list as one of the last forms to open, which the software has always had.
