1.   No other trade association is subject to such stringent rules, a tobacco industry spokesman said.

2.   Among the impediments are stringent rules about the number of signatures a candidate must gather to get on the ballot that distinctly favor the established parties.

3.   And if that happens, there is little doubt that U.S. companies will think it unfair to force them to comply with more stringent rules.

4.   And some states have adopted even more stringent rules.

5.   And Wednesday, the Mexican government announced stringent new rules for human rights observers from abroad.

6.   And when participants are in the discussion site, there are stringent rules.

7.   As a truck, the Escalade is subject to less stringent rules on safety, emissions and fuel economy.

8.   As the field of pathology grows more challenging, hospitals are adopting new strategies and some health experts are advocating more stringent rules for diagnoses.

9.   At CNBC, Paul Rittenberg, director of advertising, says the cable channel has enforced increasingly stringent advertising rules over the years.

10.   But administration officials have insisted on stringent rules and oversight for such operations because of concerns that China might appropriate secret technology or pass it along to other nations.