They were hiring advisers to oppose them, so as to frustrate their plans, throughout the time ¹  of King Cyrus of Persia until the reign of King Darius ²  of Persia. ³ 

Therefore let us enact ¹  a covenant with our God to send away all these women and their offspring, in keeping with your counsel, my lord, ²  and that of those who respect ³  the commandments of our God. And let it be done according to the law.

Everyone who did not come within three days would thereby forfeit all his property, in keeping with the counsel of the officials and the elders. Furthermore, he himself would be excluded from the assembly of the exiles.