What is a significant characteristic of Private Members Bills?

Private Members' Bills are significant because they are introduced by non-government Members of Parliament (MPs) rather than by government ministers. This allows MPs who are not part of the government to bring forward legislation on various issues that may not be prioritized in the government's official agenda. This characteristic is crucial as it gives all MPs a platform to raise concerns and advocate for changes in the law that reflect the views or needs of their constituents or specific issues they are passionate about.

The other options do not accurately reflect the nature of Private Members' Bills. They are not solely focused on local communities, do not necessitate a two-thirds majority for passage, and are not introduced by government ministers, which helps to understand the independence and significance of these types of legislative proposals in the parliamentary process.