The Government said it was "disappointing" that the PCS union is planning three months of industrial action, including a huge strike on Budget day.
A Cabinet Office spokesman said: "It is disappointing that, yet again, the PCS insist on pushing for futile action which benefits no-one, and damages the services they deliver to the public."
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Former child star Erin Moran who played Joanie Cunningham in the US sitcom "Happy Days" has been found dead at 56.