MURNAGHAN, Circuit Judge:
A collective bargaining agreement provided super-seniority for certain executive personnel of a union, inter alia, the recording secretary and the treasurer, of the United Steelworkers of America, Local 5925 AFL-CIO-CLC. The National Labor Relations Board heard charges by a member of the employer’s work force against both the employer and the union challenging the maintenance and enforcement of a preferential seniority clause as an unfair labor practice under the National Labor Relations Act, 29 U.S.C. §§ 158(b)(1)(A) and (2), 8(a)(1) and (3). The NLRB, finding that the challenge was justified, followed its recent decision in Gulton Electro-Voice, Inc., 266 N.L.R.B. 406, (1983), enforced sub nom. Local 900, International Union of Electrical Workers v. NLRB, 727 F.2d 1184 (D.C.Cir.1984) and determined that super-seniority preference should not have been accorded the union officers who benefited by super-seniority because their duties did not involve them in grievance processing or on-the-job contract administration. Guitón overruled a prior Board decision in United Electrical, Radio and Machine Workers of America, Local 623 (“Limpco”), 230 N.L.R.B. 406 (1977), enforced sub nom. Anna M. D’Amico v. NLRB, 582 F.2d 820 (3rd Cir.1978) and indicated that it would approve as lawful “only those super-seniority provisions limited to employees, who, as agents of the union, must be on the job to accomplish their duties directly related to administering the collective bargaining agreement.” Gulton, supra, 266 N.L.R.B. at 409.
The volte-face occasioned by the Guitón decision could not have come as a great surprise. The question of the extent to which functional union officials could be insulated from lay-off in preference to rank and file union members had been debated in a number of cases with vocal dissents and it could not, therefore, have been said that the law was settled in such a way as to make unjust the retroactive application of Guitón in the instant case. Accord, NLRB v. Niagara Machine & Tool Works, 746 F.2d 143 (2d Cir.1984); Local 900, supra, 727 F.2d 1184 (D.C.Cir.1984); Local 1384, United Auto, Aerospace and Agricultural Implement Workers of America UAW v. NLRB, 756 F.2d 482 (7th Cir.1985).
The Board’s decision must be upheld on appeal if it is reasonable and supported by the record. Ford Motor Co. v. NLRB, 441 U.S. 488, 497, 99 S.Ct. 1842, 1849, 60 L.Ed.2d 420 (1979). We are satisfied that the NLRB decision was supported by the record and, consequently, we grant enforcement of the NLRB order dated January 25, 1984.
ENFORCEMENT GRANTED.
. Prior to the Guitón decision the Board considered the issue of preferential seniority for certain union officers on a number of occasions. The issue was first raised in Dairylea Cooperative, Inc., 219 N.L.R.B. 656 (1975), enforced sub nom. NLRB v. Milk Drivers & Dairy Employees Local 338, 531 F.2d 1162 (2d Cir. 1976), where the Board found a super-seniority provision on layoff and recall lawful for union shop stewards because their duties "furthered the effective administration of the bargaining agreement on the plant level by encouraging the continued presence of the steward on the job.” Id. at 658. However, the Board refused to extend super-seniority to union shop stewards beyond layoff and recall; such provisions were presumptively unlawful, the burden of rebutting that presumption falling on the party asserting their lawfulness.
Two years later, in Limpco, supra, 230 N.L. R.B. 406 (1977), the Board was once again confronted with the same troubling issue. In that case the challenged super-seniority provision accorded preferential status in layoff and recall to the union’s recording secretary, who performed no steward-like job functions. A Board majority upheld the preferential seniority provision, reasoning that the union officer in question held official responsibilities which bore a direct relationship to the effective and efficient representation of unit employees. Id. at 407-OS. The union officer was, therefore, entitled to the same presumption accorded the union steward since she was just as involved in the administration of the collective bargaining agreement.
Nevertheless, the dissenters in Limpco made clear that the matter was not neatly settled among the Board members. According to them, super-seniority provisions favoring union officials could only be held presumptively valid when the officers’ responsibilities concerned on-the-job grievance adjustment. Only when the union officer functioned to process grievances and enforce the collective bargaining agreement on the job could the discriminatory effect of the super-seniority provision be justified.
The division of viewpoints was made even clearer in The American Can Company, 244 N.L. R.B. 736 (1979), enforced, 658 F.2d 746 (10th Cir.1981), where it was plainly stated that the ... Board members have widely divergent views on Dairylea issues____ Id. at 737. Two members in dissent disagreed with any restrictions placed on super-seniority by Dairylea and its progeny. Member Murphy, in her concurring opinion, employed the reasoning of the Dairylea line of cases but concluded that the activities of the officers in question (a union trustee and guard) did not further the collective bargaining relationship. Members Jenkins and Penello, the dissenters in Limpco, found the super-seniority clause in question invalid on its face and would only allow union officers to benefit from super-seniority where the officers served as shop stewards or engaged in the administration of the contract at the work place and during their hours of employment. See also Otis Elevator Company, 231 N.L.R.B. 1128 (1977) (dissent by Jenkins and Penello); Expedient Services, Inc., 231 N.L.R.B. 938 (1977); Allied Industrial Workers of America (Allen Test-products), 236 N.L.R.B. 1368 (1978) (dissent by Jenkins and Penello); APA Transport Corp., 239 N.L.R.B. 1407 (1979) (dissent by Fanning; partial dissent by Truesdale); McQuay-Norris, Inc., 258 N.L.R.B. 1397 (1981) (dissent by Fanning).
Hence, the Board’s Guitón decision cannot be considered an abrupt break from prior precedent. See Landahl v. PPG Industries, Inc., 746 F.2d 1312, 1315 (7th Cir.1984) (Delcostello v. International Brotherhood of Teamsters, 462 U.S. 151, 103 S.Ct. 2281, 76 L.Ed.2d 476 (1983) retroactively applied where the decision represented “a clarification of the law, not a clear break’ with past precedent.’’) Although Landahl concerns the retroactive application of a judicial rather than administrative decision, the considerations governing retroactivity are strikingly similar. Compare Chevron Oil Co. v. Huson, 404 U.S. 97, 106-07, 92 S.Ct. 349, 355-56, 30 L.Ed.2d 296 (1971) with Retail, Wholesale and Department Store Union v. NLRB, 466 F.2d 380, 390 (D.C.Cir.1972). Like a judicial body, an administrative tribunal remains free to clarify its position on a case-by-case basis. SEC v. Chenery Corp., 332 U.S. 194, 202-03, 67 S.Ct. 1575, 1580-81, 91 L.Ed. 1995 (1946); K. Davis, Administrative Law § 20.7 (2d Ed.1983).
Although coming on the heels of changes in the composition of the Board, the decision was a clear example of an administrative body reviewing its earlier decisions which were replete with arguments on all sides of the issue, and creating a new majority to support an earlier viewpoint expressed in dissent. See Local 900, supra, 727 F.2d at 1188.
. In ordering enforcement in Guitón, the D.C. Circuit dealt extensively with the retroactivity question, and, in especially pertinent part, observed:
The Merits of the Retroactivity Claim. In determining whether a new rule developed in adjudication should be given retroactive effect, the ill effects of “retroactivity must be balanced against the mischief of producing a result which is contrary to a statutory design or to legal and equitable principles." SEC v. Chenery Corp., 332 U.S. 194, 203 [67 S.Ct. 1575, 1581, 91 L.Ed. 1995] ... (1947). More specifically, courts often consider five factors in evaluating that balance:
(1) whether the particular case is one of first impression, (2) whether the new rule represents an abrupt departure from well established practice or merely attempts to fill a void in an unsettled area of law, (3) the extent to which the party against whom the new rule is applied relied on the former rule, (4) the degree of the burden which a retroactive order imposes on a party, and (5) the statutory interest in applying a new rule despite the reliance of a party on the old standard. Retail, Wholesale & Department Store Union v. NLRB, 466 F.2d 380, 390 (D.C.Cir.1972).
For a variety of reasons, it is often appropriate to apply a rule in the first case in which a given problem arises, ... but the present case is hardly one of first impression; as is evident from the discussion in part II, super-seniority clauses have been litigated for years. At the same time, however, the reasons against applying a new rule in a case of second impression, principally lack of notice and the degree of reliance on former standards, ... are not compelling here. The cases since 1975 have demonstrated widely divergent views among the Board members and have been decided on several bases. The union surely had notice that superseniority clauses were under attack and were not wholly secure, and there is no evidence that the union relied on any previous Board rule in fashioning this particular superseniority clause. Given the confusion in the Board’s and courts’ decisions over the years, the new rule cannot be called an abrupt break with a well-settled policy; the unanimity of the new decision, moreover, looks much like an "attempt! 1 to fill a void.”
Neither does the union fare well on the third factor — reliance----
Local 900, International Union of Electrical Workers v. NLRB, 727 F.2d 1184, 1194-95 (D.C. Cir.1984).
The record in the instant case is silent as to any reliance placed by the union. At the most it indicates that the super-seniority clause was in existence no later than 1970 and was expanded to include stewards between 1970 and 1979. The complained of exercise of the clause occurred on August 31, 1979 for the recording secretary and on July 25, 1980 for the treasurer.