Deuteronomy 20:5-7 -

The officers ; the shoterim , the keepers of the genealogical tables ( Deuteronomy 16:18 ). It belonged to them to appoint the men who were to serve, and to release those who had been summoned to the war, but whose domestic relations were such as to entitle them to exemption. If there was one who had built a house, but had not dedicated it, i . e . by taking possession of it and dwelling in it; or if there was one who had planted a vineyard and had not eaten of the fruit thereof; or if there was one who had betrothed a wife, but had not yet married her;—such were to be allowed to return home, lest they should die in battle, and it be left to others to consummate what they had begun. According to Josephus, this exemption was for a year, according to the analogy of Deuteronomy 24:5 . Dedicated ; probably formal possession was taken of the house by some solemn ceremony, followed by a festive entertainment. Vineyard . The Hebrew word ( כֶּרֶם ) here used designates "a field or park of the nobler plants and trees cultivated in the manner of a garden or orchard" (Ges.); so that not vineyards alone, but also olive yards and plots of the more valuable fruit trees may be intended. Hath not eaten of it ; literally, hath not laid it open , made it common , i . e . begun to use it, to gather its produce for common use (cf. Deuteronomy 28:30 ; Jeremiah 31:5 ). Trees planted for food were not to be used before the fifth year of their growth (Le 19:23, etc.; of. Deuteronomy 24:5 ).