Local authorities, or councils, will usually use By-laws to create Delegated Legislation to deal with a problem relating to the local facilities they are responsible for, such as waste, cleanliness, housing or parking. These are issues which will be specific to their area, not the country as a whole. Public Bodies or Corporations, such as charities, rail companies and service providers, will introduce By-laws to deal with problems which affect their day-to-day running.