Deputy Minister of Finance Maciej Grabowski has announced that the planned copper and silver tax proposed by PM Donald Tusk in November of last year will not come into effect on March 1, as initially expected, reported Parkiet. The new date will be determined by the parliamentary schedule. When introduced the new tax will mainly affect KGHM, Poland’s sole producer of copper and silver. The government estimates that the new tax will add about zł.1.8 billion to the budget in 2012, and over zł.2.2 billion in the future.