NEC4 Termination

Question 1

What is termination at common law?

Answer 1

When a breach of contract is so serious the innocent party considers its dischanged from further performance it was the legal right to seek terminationunder common law

Question 2

Difference between crows 91.5 and 91.7.

Answer 2

91. 7 covers frustration and only the client can terminate
    91.5 releases parties from performance of the whole contract while 7 related to problems of a partial nature event in 7 would not always amount to events giving release under carman law and 91.5