system: You are a legal assistant. Answer concisely and accurately. When legal text is provided, rely on it and do not invent facts.

user: Read the following U.S. Supreme Court case excerpt and classify it into the correct legal issue area. Excerpt: 410 U.S. 686 93 S.Ct. 1209 35 L.Ed.2d 633 Kathryn BURNS et al.v.Ben FORTSON, etc., et al. No. 72—901. March 19, 1973. PER CURIAM. 1 By statute, Georgia registrars are required to close their voter registration books 50 days prior to November general elections, except for those persons who seek to rgister to vote for President or Vice President. Ga.Code Ann, §§ 34—611 and 34 602.* The District Court upheld the registration cutoff against appellants' constitutional attack based upon this Court's decision in Dunn v. Blumstein, 405 U.S. 330, 92 S.Ct. 995, 31 L.Ed.2d 274 (1972). This appeal followed. 2 The State offered extensive evidence to establish 'the need for a 50-day registration cut-off point, given the vagaries and numerous requirements of the Georgia elections laws.' Plaintiffs introduced no evidence. On the basis of the record before it, the District Court concluded that the State had demonstrated 'that the 50-day period is necessary to promote . . . the orderly, accurate, and efficient administration of state and local elections, free from fraud.' (Footnote omitted.) Although the 50-day registration period approaches the outer constitutional limits in this area, we affirm the judgment of the District Court. What was said today in Marston v. Lewis, 410 U.S. 679, at 681, 93 S.Ct. 1211, at 1213, 35 L.Ed.2d 627, is applicable here: 3 'In the present case, we are confronted with a recent and amply justifiable legislative judgment that 50 days rather than 30 is necessary to promote the State's important interest in accurate voter lists. The Constitution is not so rigid that that determination and others like it may not stand.' 4 The judgment of the District Court is affirmed. 5 Affirmed. 6 Mr. Justice BLACKMUN, concurring in the result. 7 I concur only in the result, for I hesitate to join what, for me, is the Court's unnecessary observation that 'the 50-day registration period approaches the outer constitutional limits in this area.' I also concurred in the result in Dunn v. Blumstein, 405 U.S. 330, 92 S.Ct. 995, 31 L.Ed.2d 274 (1972), and said, 8 'It is, of course, a matter of linedrawing, as the Court concedes, ante, at 1006. But if 30 days pass constitutional muster, what of 35 or 45 or 75? The resolution of these longer measures, less than those today struck down, the Court leaves, I suspect, to the future.' Id., at 363, 92 S.Ct., at 1013. 9 I am not prepared to intimate at this point that a period of time in excess of 50 days cannot be sustained, no matter how supportive the record may be. In Blumstein, the Court struck down Tennessee's 90-day county durational residency requirement in part, I suppose, because it exceeded the State's 30-day registration period. Had the latter been 60 days, rather than 30, I suspect the Court would have indicated approval of a corresponding 60-day durational residency requirement. See 405 U.S., at 345—349, 92 S.Ct. at 1004—1006. I feel that each case in this area should be decided on its own record unrestricted by an arbitrary number-of-days figure. 10 Mr. Justice MARSHALL, with whom Mr. Justice DOUGLAS and Mr. Justice BRENNAN concur, dissenting. 11 For the same reasons that I gave in Marston v. Lewis, 410 U.S. 679, 682, 93 S.Ct. 1211, 1213, 35 L.Ed.2d 627, I dissent from the affirmance of the judgment of the District Court. Unlike Arizona, Georgia does not use volunteer deputy registrars, a system that the Court in Marston thought created special problems warranting special treatment. Indeed, the State's expert witness in this case testified that there was something dangerous about using deputy registrars. Nor does Georgia have as late a primary as Arizona. As in Marston, appellees here did not show that it was impossible to increase the size of the registrars' staffs or their operations. Moreover, there was evidence that final lists of registered voters are not prepared until 14 days before the election, which indicates that there is no serious administrative impediment to keeping registration open for a relatively long period. 12 The Court also relies on an ingenious bootstrap argument that I cannot let pass without comment. The statutes in question in Marston were enacted last year after our decision in Dunn v. Blumstein, 405 U.S. 330, 92 S.Ct. 995, 31 L.Ed.2d 274 (1972). The Arizona Legislature therefore knew that its limitations on registration could only be justified by the administrative burdens faced by registrars. It knew that insuring the purity of the ballot box and guaranteeing the knowledgeability of voters were not goals that could be permissibly served by time limitations on registration. Id., at 353—357, 92 S.Ct., at 1008—1010. The Court in Marston thus correctly noted that the Arizona statutes reflected a recent judgment that 50 days were necessary to avoid administrative problems. 13 In this case, the Court quotes that statement from Marston. The difficulty is that the Georgia statutes here were adopted nearly a decade ago. The legislative judgment is hardly a recent one. Nor was it made knowing that only administrative difficulties were a justification for durational residency requirements. Even if we would be inclined to defer to a recent and informed legislative determination of necessity, when there is no reason to believe that the legislature made such a determination, deference in that regard is uncalled for. 14 Finally, I believe it important to indicate my view that the decisions today provide no basis for making it more difficult to register by making shorter any existing registration periods, in the absence of compelling evidence of extraordinary new circumstances. If 30 days were all that some state officials needed. yesterday, that is all they need today. * Section 34—611 was enacted in 1964. At present, Georgia has no independent durational residency requirement. The State's statutory requirement of one year in the State and six months in the county (see Ga.Code Ann. § 34—602) was held unconstitutional in Abbott v. Carter, 356 F.Supp. 280 (ND Ga.1972).

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