What is the difference between formal and informal eligibility requirements for political office?

The difference between formal and informal eligibility requirements for the political office is that in regards to formal requirements for political office, it requires it to be written into a certain law whereas the informal requirements are likely to be expectations by which the candidate will meet a suitable candidate that is fitted for the office.

yes

it is because 3 because the citizen the northern democratic party watned the warning on red to blue because it is purple. lol