Houses with lead based Paint...

[Chad Fernendaz]

There is a property that I am interested in, that was built in the 50s. The MLS is telling me that it probably has lead based paint.

First of all, does this mean the interior and exterior has lead paint? 

What's the best way to go about doing this? Can I put vinyl siding over the lead paint? Can I paint over lead paint? 

I want to do this the right way so the homeowners have no problems with it in the future. Any help is appreciated, thanks