The calculation and reporting of the Annual Corporate Income Tax Return is a tax obligation that must be fulfilled by corporate taxpayers no later than the fourth month at the end of the tax period. This study aims to analyse whether the calculation and reporting of the Annual Corporate Income Tax Return that has been carried out by PT. Intercon Terminal Indonesia complies with Law Number 36 of 2008 concerning the Fourth Amendment to Law Number 7 of 1983 concerning Income Tax and Regulation of the Director General of Taxes Number PER-19/PJ/2014 concerning the Second Amendment to Regulation of the Director General of Taxes Number Per-34/Pj/2010 Concerning the Forms of Annual Income Tax Returns for Individual Taxpayers and Corporate Taxpayers Along with Instructions for Filling In. The results of the study conclude that in calculating and reporting the Annual Corporate Income Tax Return PT. Intercon Terminal Indonesia has not fully complied with the Income Tax Law and Director General of Tax Regulations. So that in 2020, the company should have recorded a loss of Rp. 3,308,457,027 and overpaid tax of Rp. 437,556,885.

The problem in this study inspires creative economic development activities aimed at improving the well-being of the water hyacinth craftsmen community in Situ Cipondoh. The water hyacinth plant can be transformed into a variety of marketable handicrafts. This has become a popular destination for both locals and visitors from other parts of the country. The purpose of this research is to determine the development of the creative economy in improving the economic welfare of water hyacinth craftsmen in Ieko Ratu Eceng Sahabat Alam, Situ Cipondoh, Kunciran Jaya, Tangerang in terms of Islamic economic aspects in Indonesia. This study employed interview techniques and field surveys with a sociological approach, with data collected through observation, interviews, and documentation. To get specific conclusions, it refers to literature studies based on the texts of the Quran and hadith and then analyzed using descriptive analysis techniques according to Islamic economics. Thus, this research shows that the creative economy development carried out by the Kunciran Jaya community through Ieko Ratu Eceng Sahabat Alam by utilizing water hyacinth into various kinds of handicrafts can improve the economic welfare of the Situ Cipondoh community. Besides that, in the view of Islamic economics, these activities are highly recommended and allowed because they are following the basic values of Islamic economics in Indonesia.

The community's need for sharia financing transactions is very urgent. So that Islamic law products are required to be able to provide guidelines for community economic transactions as a form of response to community needs. From this, this study examines how the concept of istihsan bi al 'urfi was revitalized in one fatwa from 49 fatwas set by the DSN-MUI during the 2010-2018 period as evidence for legal determination. Therefore, istihsan bi al 'urfi is a form of ijtihad scholars in establishing law. The research method used is a qualitative research method with a literature approach, namely by observing the use of the determination method with istihsan bi al 'urfi. The results of the study stated that there were 13 times the use of istihsan bi al 'urfi in determining the permissibility of financing based on sharia as a legal consideration. Although previously it was equipped with arguments from the Qur'an and hadith as well as ijma' and qiyas. This shows that DSN-MUI ijtihad always develops according to the demands of the times to develop Islamic legal products in the field of Islamic finance and economics without losing the basic values of sharia.