Family finances have taken centre stage in the General Election battle, with David Cameron pledging not to increase the three main taxes paid by households.
Mr Cameron is promising legislation to guarantee a "tax lock", banning rises in the rates of income tax, VAT or national insurance until May 2020.
Labour and the Lib Dems dismissed the pledge as a "gimmick".
David Cameron put the economy centre stage today, with an eye-catching election promise to create a new law to freeze income tax, VAT and National Insurance to five years.
Both Labour and the Liberal Democrats have dismissed the pledge as a "gimmick".
ITV News Conservative campaign correspondent James Mates reports:
Millions of families' budgets are at risk if the Conservatives win the general election, Labour leader Ed Miliband has warned.
David Cameron is to pledge no increases in income tax, VAT or national insurance before May 2020 under a Conservative government.