The Taft-Hartley Act of 1947 prohibited treasury contracts. It prevents employers from creating corporate-sponsored labour organizations and prohibits adverse working conditions through the negotiation of illegitimate collective agreements. These agreements benefit some, but not others, because they were designed in secret to use one unit at the expense of another. As a general rule, agreements are made between management representatives and the union, often to the detriment of workers. The Landrum-Griffin Act of 1959 was a federal law that tried to prevent pleasant employment contracts and other forms of trade corrupted by unions.  Sweetheart agreements are generally concluded at the local level between employers and workers. They contain clauses that are beneficial to the employer and are made without recognition by the union that represents the workers. These private agreements are mutually beneficial to management and the union, but not to workers. A treasury deal or treasury contract is an agreement between a union official and an employer.1 min. A “sweetheart settlement” may also take place in a legal context. In a class action, for example, lawyers representing a class of plaintiffs can obtain an agreement with the defendant, in which the main result is a lucrative fee for lawyers and not a maximum compensation for class members.  A treasury contract is a contract entered into by agreement between management and workers` representatives that contains conditions that are advantageous to management and unfavourable to union workers.
It is also called the Sweetheart Agreement. It is an agreement that has benefited some, but not others, in secret, to benefit some at the expense of the rest, including a labour agreement between union and administrative representatives, which is not in the interests of the workers. A treasury agreement or treasury contract is an agreement between a union official and an employer. In this agreement, the employer receives favourable treatment from a union official without the consent of other union members. A treasury agreement or treasury contract is a contractual agreement that is usually drafted in secret, which greatly benefits certain parties, while they unduly penalize other parties or the general public. The term was coined in the 1940s to describe corrupt employment contracts, which are more favourable to the employer than to workers, and which generally include a kind of kickback or special treatment for the labour negotiator.   Sweetheart agreements are established through agreements between workers` representatives and management. They contain terms that use management, but not union workers. A 2019 study looked at the language of government orders and looked for terms “Sweetheart” – formulations that are “very business-friendly, but apparently not beneficial to the government.” They found that such language is more often included in contracts with companies that make political contributions.  This term also applies to special agreements between private companies and public bodies, society and sometimes a government official by reaping benefits, not the public.  Non-tender contracts may be awarded to individuals with political ties or donations to influential politicians.
 Sometimes a treasury agreement involves tax breaks or other incentives to encourage a company to do business in that city or state.   Sweetheart contracts were prohibited by the Federal Taft-Hartley Act and prohibited employers from creating corporate-sponsored work organizations.