(a) When material and relevant matter offered in evidence is in a document containing other material not relevant, the offering party shall:
- (1) Produce the document at the hearing;
- (2) Plainly designate the matter so offered; and
- (3) Accord an opportunity to inspect it.
- (b) Unless it is desired to read such matter into the record and the State Highway Commission or the officer so directs, true copies in proper form of the material and relevant matter taken from the document may be received as an exhibit, but other parties shall be afforded an opportunity to introduce in evidence, in like manner, other portions of such document if found to be material and relevant.
- (c) The document itself will not be received.