There has been no 28th amendment passed. However the 27th Amendment relates to the 2013 Partial Government Shutdown. The 27th states that congress can not change there salary while serving there tern in office. It also requires them to be paid during government shutdowns.
The 14th amendment requires state governments to give their citizens the same rights that the federal government does. Before the 14th amendment, the state governments had almost unlimited authority over their citizens.
In the united states, the government has no role in the recognition of an ordination. The First Amendment requires the Federal Government to not interfere with the doctrine of any faith. This would include decisions about ordination.
An amendment becomes a part of the constitution. It's not just a law that can be repealed by passing another law, it's part of the constitution itself, and changing the constitution requires an amendment.
This is an amendment that requires drug manufacturers to provide proof of their effectiveness and safety before approval from the FDA. Also requires drug advertising to disclose accurate info about side effects.
The fourth Amendment of the United States Constitution requires that any government agency must obtain a warrant from a judge before they can search someone's possessions. The 8th Amendment restricts cruel and unusual punishment (torture).