1.   She is making the first significant attempts in history to enforce visitor quotas and keep the environment as pristine as possible.

2.   The administration said Canada was unfairly subsidizing exports of its dairy products to the United States and violating the rules in enforcing import quotas on milk.

3.   World oil supplies wax and wane in the short run depending on how effectively OPEC is enforcing production quotas.

4.   Authorities will counsel women to use a contraceptive method of their choice and periodic campaigns to enforce quotas will be discouraged, she said.

5.   But Oron needs the backing of the high command to enforce the quotas.

6.   Canada wants a treaty that would allow the Northwest Atlantic Fisheries Organization to enforce the quotas it assigns to members.

7.   China has a policy permitting urban couples to have only one child and uses compulsory abortion to enforce that quota.

8.   The judge then barred OPEC from doing virtually anything to set or enforce production quotas among member nations.

9.   The lower quotas will be enforced over the next three fishing seasons.

10.   Canada had been trying to enforce quotas on the so-called Nose and Tail of the Grand Banks.