In a statement made by the BRSA, it was reported that the ratio of swap and other derivative transactions to be realized by banks to purchase TL at maturity to legal equity was increased from 1 percent to 10 percent.
Source: https://www.aa.com.tr/tr/ekonomi/bddk-bankalarin-swap-ve-diger-turev-islem-sinirlamalarini-esnetti/1985043