ere is required by
these rules an examination involving essential tests different from or
higher than those involved in the examination required for original
entrance to the class or grade from which promotion is proposed: _And
provided further_, That no promotion of a person shall be made,
except upon examination provided by the Commission, to a position in
which, in the judgment of the Commission, there is not required the
performance of the same class of work or the practice of the same
mechanical trade which is required to be performed or practiced in the
position from which promotion is proposed; but a person employed in any
grade shall not because of such employment be barred from the open
competitive examination provided for original entrance to any other
grade: _And provided further_, That no promotion of a person shall
be made to a class or grade from original entrance to which such person
is barred by the age limitations prescribed therefor or by the
provisions regulating apportionment.

RULE XII.

1. In pursuance of the provisions of section 2 of the civil-service act
every nominating or appointing officer in the executive civil service of
the United States shall furnish to the Commission a list of all the
positions and employments under his control and authority, together with
the names, designations, compensations, and dates of appointment or
employment of all persons serving in said positions or employments, said
list to be arranged as follows: (_a_) Classified positions not
excepted from examination; (_b_) classified positions excepted from
examination; (_c_) unclassified positions.

2. Every nominating or appointing officer in the executive civil service
shall report in detail to the Commission, in form and manner to be
prescribed by the Commission, all changes as soon as made, and the dates
thereof, in the service under his control and authority, setting forth
among other things the following: The position to which an appointment
or reinstatement is made; the position from which a separation is made,
whether the same was caused by dismissal, resignation, or death, and the
position from which and the position to which a transfer or promotion is
made; the compensation of every position from which or to which a change
is made; the name of every person appointed, reinstated, promoted,
transferred, or separated from the service, and