total years of service required for first nonunit promotion

total years of service required for first nonunit promotion Sec. 315. (a) A Reserve officer in a grade indicated below on the effective date of this Act may not lie promoted for the first time under 68 Stat. 1159sections 309,310, 312, or 313 until he has completed the following total years of service: Grade Total years of service First lieutenant 6 Captain 12 Major 17 Lieutenant colonel or higher 19 (b) Such officer may not be considered by a selection board for such promotion until he is within one year of completing the foregoing total years of service. (c) A Reserve officer who becomes a nonunit officer upon transfer from the National Guard of the United States or upon release from a unit in the Army Reserve may not be promoted thereafter for the first time until he has completed the total years of service prescribed in subsection (a).