Two Vietnamese illegal workers were jailed for 15 months by Sha Tin Magistracy yesterday.
Immigration Department officers arrested a 53-year-old man and 51-year-old woman during an operation on August 18.
They were preparing food in a shop.
They were charged for taking up employment after landing in Hong Kong unlawfully and remaining in Hong Kong without the authority of the Director of Immigration.
One of them was also charged with using a forged identity card.