It's a law:
President Tarja Halonen signed the bill into law on Friday afternoon. It takes effect on Saturday.
Parliament approved the bill by a vote of 113-68, with the entire opposition voting against it and 18 MPs absent.
Those missing included Prime Minister Matti Vanhanen, who was hospitalised overnight with lower back pain. He was diagnosed with a stone in his urinary tract, and is expected to remain in hospital at least through Friday.
Wonderful timing from Vanhanen.
The voting record can be viewed here (fi). All MPs from government parties either voted for it or were absent. (The Centre Party's Paula Sihto, a Tehy board member and probably the likeliest defector, was among the latter.)