Certified copies of writings in custody of public officers

Any copy of or extract from any writing, document or record in the custody of any public officer, required by any law or regulation to be written or made and delivered to that officer or to be recorded is, if it purports to be signed and certified as a true copy or extract by the officer to whose custody the original is entrusted, admissible as proof of the contents of the writing, document or record, and as prima facie evidence of the matter or transaction therein mentioned. Relevancy of Guilty Knowledge