Other contributors have said "How are federal laws made through the legislative process?" is the same question as "How are federal laws made in Germany?" If you believe that these are not asking the same thing and should be answered differently, click here
Laws in Germany are made and changed at national level by the two-chamber Bundestag and at state (land) level by the Landtage. In addition, towns and local authorities can pass bye-laws.
A law is made by the federal legislature, known as Congress. A bill, or a proposed law, must be passed by both houses of congress with a majority vote, and signed by the president to become law, or...
Not quite... federal law is federal law and is in addition to state law, except where there is a state and federal law that are virtually identical, in which case the federal law may "supersede" the...