US District Judge David Briones recommended that Mr Tappin should be allowed to serve his sentence in the UK but the decision ultimately rests with the US Bureau of Prisons, a spokeswoman for the court added.
He will commence his sentence at the Allenwood prison in Pennsylvania and must turn himself in to start the term by March 8.
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Phil Rudd also pleaded guilty to possessing crystal meth and marijuana in a New Zealand court.
Ed Miliband will order an emergency recruitment drive of nurses so an extra 20,000 will be working in the NHS by 2020.
Sir John will give a speech later today saying a Labour-SNP government would be "weak and unstable" and wreck Britain's economic recovery.