The more stringent version proposed by the E.P.A. proposed last year set a 2010 deadline for 50 percent reductions in snowmobile pollution.

Vermont, Maine and Oregon have recently approved less stringent versions of this approach, and Hawaii has long had a similar system.

In 1934, a stringent version of the industry's self-policing Production Code went into effect.

Last year, the New York State Assembly passed a less stringent version of the bill that the Council approved yesterday, but it died in the Senate.

Other banks later introduced a less stringent version of that policy, prompted by new regulations.

Balanced Budget Amendment: Vote on a less stringent version of the balanced budget constitutional amendment.

Maine, which adopted a less stringent version of the California mandate, will also get P.Z.E.V.'s from some manufacturers.

Mr. Dingell's gun-show amendment is the least stringent version that will come before the House.

Vermont is the only state with such a restrictive law, although Hawaii has a less stringent version and other states are considering similar measures.

Plato, of course, did; so have various religious thinkers, especially in the stringent Protestant version of Christianity that still runs deep in American culture.