The ID Lengths tab enables you to specify the maximum number of characters for codes, from 1 to 40.
Project ID maximum characters: Specify the maximum number of characters for project IDs.
WBS Code maximum characters: Specify the maximum number of characters for work breakdown structure (WBS) codes.
Resource ID maximum characters: Specify the maximum number of characters for resource IDs.
Activity ID maximum characters: Specify the maximum number of characters for activity IDs.
Cost Account ID maximum characters: Specify the maximum number of characters for cost account codes.
Role ID maximum characters: Specify the maximum number of characters for role IDs.