C.R.S. § 38-36-125: Who may answer - contents of answer.

Any person claiming an interest, whether named in the summons or not, may appear and file an answer within the time named in the summons, or within such further time as may be allowed by the court. The answer shall state all objections to the application, and shall set forth the interests claimed by the party filing the same, and shall be signed and sworn to by him or by some person in his behalf.