On July 27, Royal Decree-Law 13/2022, of July 26, was published in the BOE, the effects of which will take place as of January 1, 2023, establishing a new contribution system for workers included in the RETA. based on actual returns generated. Contribution tables are established for the years 2023, 2024 and 2025, by virtue of which the contribution of self-employed workers will vary depending on their full income. This new system will be implemented gradually over a maximum period of nine years, with periodic reviews every three years.