Field help (AOEACS) 

This access code makes it possible to prohibit access to the current record for some users.

If the field is populated, only users that have this access code with read access rights (and write access rights respectively) can view (or with write access rights, modify) the record.

This access code makes it possible to prohibit access to the current record for some users.

If the field is populated only users that have this access code with read access rights (and write access rights respectively) can view (or with write access rights, modify) the record.

The execution right associated with a user code is processed in a particular way in the case of the import/export templates: If a user has not been granted the execution right, he cannot use the template to import or export data.