“…Then, the determination of the cost sharing depends on the periodic check of companies that are tested parties. The scope of the companies of controlled transactions is to face the issues that are connected with the taxation of their activities (Arbel et al, 2019;Azzone, 2018;Blundell & Preston, 2019;Bowling et al, 2019;Challoumis, 2018c;Dancygier & Laitin, 2014;Davidson, 2020;Dollery & Worthington, 1996;Fronzaglia et al, 2019;Grabs et al, 2020;Jensen, 2020;Jeon et al, 2020;Laplane & Mazzucato, 2020;Mancuso & Moreira, 2013;Nielsen et al, 2019;Oueslati, 2015;Scholvin & Malamud, 2020). Then, the requirements for the companies of controlled transactions with the tax authorities should be in the range of the arm's length principle (Challoumis, 2018a(Challoumis, , 2018c(Challoumis, , 2019d(Challoumis, , 2019b(Challoumis, , 2021j, 2023r, 2023j, 2023ad, 2023t, 2023aa, 2023a(Challoumis, , 2024b.…”