disability benefits already paid will be reclassified as permanent total disability payments and will count toward the $25,000 threshold. Id. at 542 n. 4. Temporary total benefits can be reclassified as permanent total disability benefits by stipulation of the parties. Wilken v. Int’l Harvester Co., 363 N.W.2d 763, 770 (Minn.1985). As previously noted, Sundby’s temporary total disability benefits were reclassified as permanent total disability benefits. For a time, Minn.Stat. § 176.101, subd. 4, only reduced the employee’s workers’ compensation payments based on any social security old age and survivor benefits the employee received. Social security disability benefits could not be used as part of the offset. Telle v. Northfield Iron Co., 278 Minn. 129, 132, 153 N.W.2d 270, 272 (1967) (<HOLDING>). In 1967, the statute was amended to include
holding that credit for social security old age and survivor benefits does not also include credit for federal disability benefits holding parent entitled to credit for any social security disability benefits paid to child as a result of parents disability holding noncustodial parent not entitled to an automatic credit and court could order child support in addition to social security disability dependency benefits holding that offset for social security retirement benefits does not include federal disability benefits and stating that there was no legislative intent to embody the entire subchapter of the social security act dealing with both disability benefits and old age benefits holding that an evidentiary hearing is not required prior to the termination of social security disability benefits