Warrant officers: original appointment; service credit

§ 556. Warrant officers: original appointment; service credit For the purposes of promotion, persons originally appointed in regular warrant officer grades under section 555 of this title shall be credited with such service as the Secretary concerned may prescribe. However, such a person may not be credited with a period of service greater than the period of active service performed in the grade, or pay grade corresponding to the grade, in which so appointed, or in any higher grade or pay grade.