aspg-1-1557-1791417851 20261008000411 American Scientific Publishing Group admin@americaspg.com American Scientific Publishing Group American Journal of Business and Operations Research AJBOR 2770-0216 2692-2967 2022 8 2 Abdusalomova N. Bakhodirovna Head of the Accounting Department, Tashkent State University of Economics, Uzbekistan E. M. Shukhrat kizi Researcher at Accounting Department, Tashkent State University of Economics, Uzbekistan This article is devoted to the issues of regulating tolling operations implemented in the process of receiving raw materials supplied by the customer, their processing and subsequent return of products to customers. In addition, the article investigates the procedure for document flow, obligatory requisites of source documents drawn up at the customer and during processing, as well as the procedure for their compilation, acceptance, and storage. 2022 49 57 1557 https://creativecommons.org/licenses/by/4.0/ 10.54216/AJBOR.080205 https://www.americaspg.com/journal/1/article/1557 https://www.americaspg.com/storage/81676919926.pdf