Wyoming Statutes Title 15. Cities and Towns § 15-6-430. Reassessments or supplemental assessments; time limitations; use of fund

(i) Three (3) years from the time the original assessment for the improvement was held to be invalid, insufficient or for any cause set aside, in whole or in part, or held void or its enforcement denied directly or indirectly by the courts; or

(ii) In the case of supplemental assessments within three (3) years from the time it was determined that the total amount of the valid assessments levied and assessed on account of any improvement was insufficient to pay the whole or that portion of the cost and expense to be paid by special assessment.