Does the use of voter registration lists for jury selection constitute a constitutional violation?

Although it is clear that the use of voter registration lists (as mandated by the Judiciary Law 506 ) does not per se result in a constitutional violation, absent a showing of the systematic exclusion of a class of qualified citizens (Hallman v. United States, 490 F.2d 1088, 1092), where the Commissioner of Jurors has recognized an obligation to systematically seek out 18 to 21 year old adults for jury service, he is then under an obligation to insure that he does so in a non-discriminatory, non-arbitrary, fair and equitable manner. ²