But I really don't think there should be hard-and-fast rules at all.

Not enough is known about this species, in the first place, to lay down hard-and-fast rules of behavior for them.

But there are few hard-and-fast rules in this sensitive area.

However, there are no hard-and-fast rules for choosing a particular form in a given situation.

"To come out with hard-and-fast rules has been discarded as not right for the industry," one administration official said.

In a world with no hard-and-fast rules, every situation was incredibly fluid.

But life is full of grey areas, places where hard-and-fast rules can't work well, and individual judgment must serve instead.

In such an environment, Lester finds that there are few hard-and-fast rules for success.

These are not hard-and-fast rules, but give a feel for the gradations.

It is totally informal; there are no set hard-and-fast rules.

The result was to make them into hard-and-fast rules or prescriptions for how any play must be structured.

For many hotels, the age limits are suggestions, not hard-and-fast rules.

There are no hard-and-fast rules for bedtime, and every child is different based on his or her temperament.

It is impossible to give hard-and-fast rules, but here are some points to consider:

Businesses are open 8am to 5pm, but there are certainly no hard-and-fast rules.

However, these are not to be taken as hard-and-fast rules, but just as general guidelines.

As journalism students learn, often to their chagrin, hard-and-fast rules in the business are relatively few.

There are no hard-and-fast rules for when small companies should call in outside PR help.

But these divisions have few, if any, hard-and-fast rules.

"Well, at the center of a typhoon there are no hard-and-fast rules.

There are no hard-and-fast rules on which genres are allowed to apply or play.

The trouble with hard-and-fast rules is that they always let a big chunky exception slip by."

The document doesn't propose any hard-and-fast rules at this stage, but it outlines various possibilities for getting the job done.

Despite her book s didactic purpose, Prose distrusts hard-and-fast rules.

While he has no hard-and-fast rules, he likes companies with strong balance sheets and minimal debt.

"We are not quite ready to make any hard and fast rules."

So there is no hard and fast rules as to how much you need to pay.

There are no hard and fast rules on this sort of thing.

But others say that is no longer a hard and fast rule.

As it turns out, there are simply no hard and fast rules.

Still, small sample size, so there are no hard and fast rules.

It is a guide to action, not hard and fast rules.

There aren't many hard and fast rules involved in military crime investigation.

There are no hard and fast rules on how you split the bill.

I don't believe in any hard and fast rules when it comes to hanging the best work.

There are no hard and fast rules for becoming an account person.

But it varies a lot so its difficult to come up with hard and fast rules.

Still, no hard and fast rules apply in such matters.

Try to use policies as guidelines, not hard and fast rules.

There is also one hard and fast rule: no actors.

Note that these temperatures are not hard and fast rules.

"I don't think he was giving hard and fast rules about the future.

In general, there are no hard and fast rules for scoring a good seat.

"There are no hard and fast rules about a president's testimony," he said.

The space of time when the chemistry shifted over had no hard and fast rules.

Usually the white wire is negative on these, although that isn't really a hard and fast rule either.

"It's something a judge would have to decide; there is no hard and fast rule."

There is no hard and fast rule about what you should gain in pregnancy.

But obviously on those parameters you can't have hard and fast rules for each vehicle.

There are not even hard and fast rules for chanting these names.