RULE 44. PROOF OF OFFICIAL RECORDS.

1. An official record kept within the United States or any territory thereof or any State thereof or any entry therein, when admissible for any purpose, may be evidenced by an official  publication thereof or by a copy attested or certified by the officer having the legal custody of the record or his deputy together with a certificate that such officer having a seal of office and having official duties in the political subdivision in which the record is kept, authenticated by the seal of his officer.  It may also be proved by the testimony of the official having custody of the record.
2. In any action tried to a jury, excluded evidence may upon request be included in the record for purposes of appeal and excluded oral testimony shall be put into evidence by means of an offer of proof made outside the hearing of the jury.  In actions tried to the Court, the Judge may receive such excluded evidence and testimony into the record for appeal purposes.
3. A written statement that after diligent search, no record or entry of a specified tenor is found to exist in the records designated by the statement and authenticated as provided in Rule 44(a) is admissible as evidence that the records contain no such record or entry.