Contractual balance in public procurement contractsIntroductionA new category of contracts emerged as legal relations evolved – public procurement contracts, characterized by a structural imbalance between the parties. However, the true development of the legal framework governing public procurement contracts was driven by France, through the Imperial Decree of 1806 and the subsequent Public Procurement Code of 1928. Aplications of contractual balance principle in public procurement contractsAt the formation of the contractAccording to Art. 221 Law 98/2016, the modification of a public procurement contract is not permitted if it alters the economic balance of the public procurement contract/framework agreement in favor of the contractor in a way that was not provided for in the original public procurement contract/framework agreement. [3] European Commission, Public Procurement – Guidance for Public Procurement Officers on Avoiding the Most Common Errors in Projects Funded by European Structural and Investment Funds, 2015, p. 35.