This work provides an in-depth explanation of the legal framework governing obligations, contracts, and other sources of legal duties within Puerto Rico's Civil Code of 2020. It is composed of the exposition of motives for Law 55-2020 and an explanatory memorial previously available on the official Legislative Services Office website. The text has been edited to align annotations with the finally approved articles, maintaining references to proposed articles where relevant, and aims to elucidate the legislative foundation for students, legal professionals, and the general public of Puerto Rico.

This publication serves as a crucial explanatory tool for understanding the recent changes to Puerto Rico's Civil Code, specifically concerning obligations and contracts. The memorial explicativo, compiled from legislative documents, offers insight into the reasoning behind Law 55-2020. Its utility is primarily directed towards legal scholars and practitioners seeking to grasp the foundational principles of the updated legislation. The prompt indicates that the material was compiled with urgency, suggesting a focus on immediate informational needs for the legal community.