Mountain View Evergreen Imp. and Service Dist. v. Brooks Water and Sewer Dist
In Mountain View Evergreen Imp. and Service Dist. v. Brooks Water and Sewer Dist., 896 P.2d 1355, 1363 (Wyo. 1995), the Court held that, "if claims that have been filed are precluded because the action to recover for those claims was not commenced within the mandatory one-year period, those claims, indeed, are forever barred."
The relation back doctrine was not, however, directly raised in that case.
Rather, Mountain View/Evergreen Imp. and Service Dist. involved a complaint based upon two separate claims, where the notice of claim for the first claim had been presented more than one year prior to the filing of the complaint. Id.