The AIA Long Format Standard contains the following fields:
| Field Name | Description |
|---|---|
| Discipline Designator | Shows divisions of manageable sections. For example, A for architectural, M for mechanical. This field is required. |
| Major | Designates assemblies or construction systems such as walls and doors. This field is required. |
| Minor 1 | Further differentiates major groups into minor groups such as full-height walls and partial-height walls. This field is optional and user-defined. |
| Minor 2 | Additional information, like title or unit information. |
| Status | Differentiates phases of work. For example, New indicates new, Demo indicates to be demolished. This field is optional. |
The following table lists the rules for the AIA Long Format Layer Standard:
| Field | Optional | Width | Fixed | Wildcard | Match | Delimiter | Default |
|---|---|---|---|---|---|---|---|
| Discipline Designator | No | 1 | Yes | “@” | No | None | A |
| Major | No | 4 | Yes | “@@@@” | No | “-“ | Wall |
| Minor | Yes | 4 | No | “*” | No | “-“ | |
| Status | Yes | 4 | No | “*” | No | “-“ |