67. Factum of the incidental respondent. 1) In response to the incidental appeal, the appellant in the main appeal may serve and file a factum in the form prescribed for the factum of the respondent within 30 days following receipt of the factum of the incidental appellant.(2) Foreclosure. The incidental respondent shall be subject to the rule in article 505 of the Code of Civil Procedure (chapter C-25), with the necessary modifications.