Final answer:
The invalid reason for brokers to maintain electronic real estate records is to make it easier to share records with other parties, as this may compromise the privacy of electronic data if done inappropriately. The correct option is D.
Step-by-step explanation:
The correct answer to which of the reasons is NOT valid for brokers to maintain real estate records in electronic format is D. To make it easier to share records with other parties. Brokers typically maintain electronic records of real estate transactions for several legitimate reasons, including saving space and money, improving efficiency and accessibility, and complying with legal requirements.
However, if sharing real estate records with other parties compromises the privacy of electronic data or if it is done without proper authorization or reasons, it could be considered not valid, especially when contrasted with health information sharing—which emphasizes privacy and security under regulations like HIPAA in the healthcare sector.