What are the differences of 2.1, 2.2, 3.1 & 3.2 Material Test Reports(MTC)?

2.1 MTC

Type 2.1 are documents in which the manufacturer declares that the

products supplied are in compliance with the requirements of the order

without inclusion of test results.

2.2MTC

Type 2.2 are documents in which the manufacturer declares that the

products supplied are in compliance with the requirements of the order and

in which test results based on non-specific inspection are supplied.

3.1 MTC

Type 3.1 are documents in which the manufacturer declares that the

products supplied are in compliance with the requirements of the order and

in which test results are supplied.

3.2 MTC

Type 3.2 are documents prepared by both the manufacturer’s authorised

inspection representative independent of the manufacturing department,

and either the purchaser’s authorised representative or the inspector

designated by the official regulations, and in which they declare that the

products supplied are in compliance with the requirements of the order

and in which test results are supplied.