On 24.02.2022, the CMB published the "Green Debt Instrument, Sustainable Debt Instrument, Green Lease Certificate and Sustainable Lease Certificate Guidelines" in order to encourage the financing of investments aimed at adaptation to climate change and mitigation of climate change-related risks and related projects that will contribute to environmental sustainability.

With the decision taken by the Capital Markets Board Decision Making Body at its meeting dated 29.07.2021 and numbered 38/1155, the Fund Guide was amended and the market share was expanded by including lease certificates in 80% of the Debt Securities Umbrella Fund

With the announcement numbered 2021/76, published by Borsa Istanbul on 09.11.2021, "Start of Calculation of BIST Participation Indices and Amendments to the Basic Rules of BIST Market Value Weighted Equity Indices Regarding BIST Sustainability Index", it has been decided that BIST Participation All, BIST Participation 100, BIST Participation 50, BIST Participation 30 and BIST Sustainability Participation indices will be calculated by Borsa Istanbul as of 12.11.2021.

On 02.08.2018, Borsa Istanbul A.Ş. launched the "Committed Transactions Market" where lease certificates are traded. Thus, a participation-based repo and reverse repo market was established in Türkiye.

With the Law No. 6728 published in the Official Gazette dated 9.8.2016, regulations were made on corporate tax, VAT, stamp tax and fees in relation to the tax burden differences between lease certificates and other capital market instruments and the problems encountered.

On November 28, 2014, Borsa Istanbul opened the Islamic Development Bank's (IDB) approximately USD 6 billion worth of sukuk traded abroad for trading among qualified investors in the Debt Securities Market Outright Purchases and Sales Market.

The procedures and principles regarding lease certificates and asset leasing companies (ALCs) have been re-regulated by the CMB's ‘Communiqué on Lease Certificates’ numbered (III-61.1). The Communiqué was published and entered into force in June 2013 and five types of lease certificates were defined.

The principles regarding the trading of lease certificates at BIST are set forth in BIST Circular No. 401 dated 06.09.2012.

On October 17, 2012, in the official letter titled "Acceptance of Lease Certificates in the Interbank Money Market", it was decided that lease certificates issued domestically and internationally by HMVKŞ will be considered in the same scope as DIBS and Eurobonds issued by the Undersecretariat of Treasury and will be included among the securities accepted as collateral in the Interbank Money Market (IMM).

In 2012, the Undersecretariat of Treasury started issuances in accordance with Article 7/A of the Law No. 4749 on the Regulation of Public Finance and Debt Management, which resulted in the issuance of USD 1.5 billion in lease certificates in foreign markets on September 26, 2012 and TL 1.6 billion in domestic markets on October 3, 2012.

With the legal regulations in January 2011, tax exemptions for sukuk were regulated similar to the tax exemptions for conventional bonds.

With the "Communiqué on Principles Regarding Lease Certificates and Asset Leasing Companies", the Capital Markets Board (CMB) established the legal basis for financial institutions and companies in Türkiye to issue sukuk and regulated principles regarding establishment activities of Asset Leasing Companies (ALC).

Türkiye's and Continental Europe's first sukuk transaction was launched in 2010 by Kuveyt Türk Participation Bank with a value of USD 100 million with a maturity until 2013 and a fixed yield of 5.25%.