| Member | Description |
|---|---|
| ALLOW_FORM_FILLING | Permitted changes shall be filling in forms, instantiating page templates, and signing; other changes shall invalidate the signature. |
| ALLOW_FORM_FILLING_AND_ANNOTATIONS | Permitted changes shall be the same as for ALLOW_FORM_FILLING, as well as annotation creation, deletion, and modification; other changes shall invalidate the signature. |
| NO_CHANGES_ALLOWED | No changes to the document shall be permitted; any change to the document shall invalidate the signature. |