Section 87.040 - Rules of construction1. The rule that statutes in derogation of the common law are to be strictly construed has no application to NRS 87.010 to 87.430, inclusive.2. The law of estoppel applies to NRS 87.010 to 87.430, inclusive.3. The law of agency applies to NRS 87.010 to 87.430, inclusive.4. The Uniform Partnership Act must be interpreted and construed as to effectuate its general purpose to make uniform the law of those states which enact it.5. The provisions of NRS 87.010 to 87.430, inclusive, shall not be construed so as to impair the obligations of any contract existing on July 1, 1931, nor to affect any action or proceedings begun or right accrued before July 1, 1931.[4:74:1931; 1931 NCL § 5028.03]-(NRS A 2005, 441)[4:74:1931; 1931 NCL § 5028.03 ] - (NRS A 2005, 441)