This time, the regulations are stricter than usual.
・strict=厳しい
(例)
The school is known to have strict rules.
They have strict regulations about recycling policies.
・this time=今回
・than usual=普段より
(例)
There are more people at the venue than usual.
The results were better than usual, and we were surprised.
ご参考になれば幸いです。