Versions of Nebraska Statutes 60-554. Duration of proof; when proof may be canceled or returned; waiver of requirement of filing on LawServer 2023 Nebraska Statutes 60-554. Duration of proof; when proof may be canceled or returned; waiver of requirement of filing 2022 Nebraska Statutes 60-554. Duration of proof; when proof may be canceled or returned; waiver of requirement of filing 2021 Nebraska Statutes 60-554. Duration of proof; when proof may be canceled or returned; waiver of requirement of filing 2019 Nebraska Statutes 60-554. Duration of proof; when proof may be canceled or returned; waiver of requirement of filing 2018 Nebraska Statutes 60-554. Duration of proof; when proof may be canceled or returned; waiver of requirement of filing 2016 Nebraska Statutes 60-554. Duration of proof; when proof may be canceled or returned; waiver of requirement of filing 2015 Nebraska Statutes 60-554. Duration of proof; when proof may be canceled or returned; waiver of requirement of filing 2014 Nebraska Statutes 60-554. Duration of proof; when proof may be canceled or returned; waiver of requirement of filing 2013 Nebraska Statutes 60-554. Duration of proof; when proof may be canceled or returned; waiver of requirement of filing 2010 Nebraska Statutes 60-554 – Duration of proof; when proof may be canceled or returned; waiver