This is used in the case of indicators that
serve as "flags". The presence of the indicator element indicates that the
associated condition is "true". This pattern is used where conveying a false
condition for the indicator would not be meaningful or extraneous.

The scheduled or anticipated date on which the employee will "enter on duty". This typically might be used after an offer has been formally made and accepted, but before the employee begins work. It would be used to communicate employee information to a system in anticipation of the employee actually begining employment.

Indicates whether or not the associated person is currently employed. The exact meaning may depend on the context. In some contexts this may specifically refer to the person's current status within an employment relationship as defined under applicable law. In other contexts it may simply be an indicator as to whether the person is currently engaged either as an employee or independent contractor.

Allows the implementer to extend the base HR-XML specification.
This is done by defining the additional information in XML Schema and referencing the new schema in the xml instance document throught the use of namespaces. Once this is done the additional information defined there can be carried in the BOD XML instance document.

Contains a collection of information about a proposed hire. Proposed hire information might be communicated when an offer of employment has been communicated to candidate and accepted, but before the candidate has actually begun work.

The date on which the associated person was hired. A hire may be canceled anytime before a candidate
enters on duty as an employee. Communication of a cancel hire date generally
would be treated as an affirmative instruction to cancel the proposed
hire.