What is one of the primary focuses of Part 1 of the UECA?

The primary focus of Part 1 of the Uniform Electronic Commerce Act (UECA) revolves around the provision and retention of information. This is integral as it addresses how electronic records and communications are treated legally to ensure that the information remains accessible, reliable, and capable of being retained over time. By establishing rules pertaining to the creation, verification, and storage of electronic documents and signatures, the UECA supports the growth of electronic commerce by providing clarity and security in transactions conducted through digital means.

The other options touch on relevant aspects of electronic commerce but do not specifically align with Part 1's foundational goal. Regulation of payment methods could be considered under a broader context of electronic commerce laws but does not encapsulate the core focus of ensuring information is properly facilitated and maintained. International trade agreements relate more to the global approach towards commerce rather than the specific legalities surrounding electronic information retention. Prohibition of electronic signatures contradicts the principles of the UECA, which actively endorses their use and establishes legal standards for their validity in transactions. Thus, the correct answer emphasizes the importance of reliable information management in the digital landscape.