81.   The new rules take effect immediately.

82.   The new rules took effect last week.

83.   The new landing visa rule takes effect next month, the ministry said.

84.   The rules for banks took effect on Christmas Day.

85.   The rules take effect in March.

86.   The rules take effect in October, and overturning them could be complex, requiring a new rulemaking process that could take months.

87.   The rules will take effect within a month.

88.   The rules take effect immediately.

89.   The tight security in Toulouse seemed to have worked Thursday night, when the alcohol rules took effect just after the South Africa-Denmark match.

90.   The trouble is, the new rules are taking time to establish themselves.