Indeed, much of what was agreed at the summit is unlikely to come into effect.
But its greatest disadvantage is that it will take years to come into effect.
For the constitution to come into effect, every one of the 25 countries has to ratify it.
Measures to combat piracy outlined in the Digital Economy Act have been slow to come into effect.
The ingenious tax-writing legislators have arranged the Roth conversion law to come into effect four years from now.
The changes are due to come into effect in the next 18 months when the current harbour master and his deputy retire.
The first foundation trusts are scheduled to come into effect in 2004.
Most of them, and their regulators, expect it to come into effect more or less on time where, that is, it is being introduced.
PayPal announced an arrangement with Discover in August last year which is expected to come into effect in the second quarter of 2013.
It was facing a crunch in the form of caps, to come into effect next year, on short-term debt holdings by financial institutions.
But the new system is not due to come into effect until after King Abdullah has died and been succeeded by the crown prince.
State media said the move, to come into effect on 14 January next year, would "update" migration laws to reflect current and future circumstances.
Home Secretary RK Singh told the BBC that the policy, due to come into effect on Tuesday, had been put on hold for technical reasons.
The new laws are due to come into effect by 1 April, after the new authority is set up and its members chosen, the Vatican said.
After a period of consultation, Ofcom expects to publish a statement in the summer, shortly after which the price controls are planned to come into effect.
The expected next US Treasury Secretary has urged the country's politicians not to allow automatic spending cuts to come into effect at the end of the month.
The individual mandate was not supposed to come into effect until 2014 in any case, they argue, by which time this judgment may well have been overturned.
The new system had been due to come into effect in April 2017, but in last month's Budget Chancellor George Osborne brought the date forward to April 2016.
Some of the recommendations have already been implemented, but it could take years for others fully to come into effect, chief investigator Alain Bouillard told reporters as he introduced the report.
Under a controversial new law, due to come into effect soon, the police will be allowed to hold suspected drug-traffickers and other suspected participants in organised crime for up to 80 days without charge.
The agreement, due to come into effect from 2013 and be phased in over several years, still needs to be ratified by the heads of government of the G20 group of nations at their summit in November.
Gordon Brown's plans to provide 400, 000 vulnerable elderly people free help with the likes of washing, eating and bathing in their homes - rather than moving them to residential care - had been due to come into effect on 1 October, subject to the bill being passed.
The pesticide legislation is in the form of a directive, which means it will have to be incorporated into UK law, and that of other member states, although it is unlikely to come fully into effect until well into the next decade.
Mr Schmidt visited North Korea in early January, though after the new policy is reported to have come into effect.
Under the changes, which are expected to come fully into effect in 2014, teachers will no longer receive automatic annual pay rises, but will get annual appraisals with schools deciding on salary levels.
Rather than support some left-wing efforts to remove the president's immunity forthwith, Mr Jospin says any constitutional amendment to that effect should come into force only with the next presidency.
The plans, which were subjected to lengthy consultation, will come into effect over the next five years.
The UK is pushing businesses to be ready for this, reports BBC News, as a new EU privacy directive is supposed to be going into effect come May 25.
FORBES: Europe Opts For How-You-Track Instead Of Do-Not-Track
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