confirmation, permanent, instruction, fraud, cheating

The confirmation number should be kept by entrants until at least June 30th, 2016.

People from other countries have been encouraged to become permanent residents in the US. 

Instruction materials have been made available to entrants so they can make sure they qualify for the program.

There have been very high levels of fraud, decreasing entrants chances of getting a visa.

One of the ways people cheat is by lying.