C. F. Keil and Franz Delitzsch on Ezra 6:5

Ezr 6:5 “And also let the vessels ... be restored, and brought again to the temple at Jerusalem, to their place, and (thou) shalt place them in the house of God.” On the matter of this verse, comp. Ezr 1:7 and Ezr 5:14. The sing. יהך (comp. Ezr 5:5) is distributive: it (each vessel) to its place. ותחת (comp. אחת Ezr 5:15) cannot, according to the sense, be third pers. fem. (neutr.), but only second pers. imperf. Aphel: thou shalt place. None but Sheshbazzar can be addressed (Ezr 5:15), though he is not named in Ezr 6:3. The historian is evidently not giving the contents of the document word for word, but only its essential matter; hence he infers the address to Sheshbazzar from the answer of the Jewish elders (Ezr 5:15). Perhaps it was also remarked in the document, that Coresh caused the sacred vessels to be delivered to Sheshbazzar (Ezr 1:8).