Solution to the illegal problem

Farmers and corporations need cheap labor and need to get work done that American's won't generally do, like picking fruit. One problem is that get the labor over, then have to sneak across the border often in a dangerous journey, or pay a coyote who often will hold them hostage until a relative pays or abandon them in the desert. Another issue is that one they get over here, they have no insurance putting financial burdens on our hospital system, of bring their families who take advantage of our generous welfare system and put a burden on the taxpayers of the US.

Why not set up a system or program whereby a person or company who needs labor can go to the border and hire who they need. In addition to salaries for these workers, the hirers would be required to pay for medical insurance or otherwise cover any medical expenses, and a fee to cover costs of running the program. Laborers would be required to pay income tax on their pay and to return to their country when their contract is done.

Any illegals found not under a work contract would be deported.

Benefits for the workers would be that they no longer have to pay a coyote or make a dangerous border crossing, and program oversite would ensure that they are not cheated by their employers. The program would pay for itself with the fees collected. Benefits for the farmers would be a guaranteed cheap work force, which would still be cheaper than hiring Americans even with the extra insurance costs, without risk of your workers being deported. Benefits to the US would be increased income tax revenue.

This could be a win-win for everybody.
Does anybody see any issues with this plan?