Specific denials which must be under oath to be sufficient are: (a)
denials of an actionable document (
Sec. 8, Rule 8); (b)
denials of allegations of usury in a complaint to recover usurious interest (
Sec. 11, Rule 8).
Are there exceptions? Yes, there are exceptions. They are: (a) when an adverse party does not appear to be a party to the instrument, and; (b) when compliance with order of inspection of original instrument is required (
Rule 8, Section 8).