Complex sentence: The proposal first to tries to avoid the creation of shared accounts, then to make sure that if such an account is created, we handle it in a way that encourages the user to disclose their conflicts of interest.
Split into simpler sentences: The proposal first to tries to avoid the creation of shared accounts. Second, it tries to make sure that if such an account is created, we handle it in a way that encourages the user to disclose their conflicts of interest.