You need to retain a good bankruptcy attorney.
I am a former federal and State prosecutor and now handle criminal defense and personal injury/civil rights cases. Feel free to check out my web site and contact me at (212) 385-8015 or via email at Eric@RothsteinLawNY.com. The above answer is for informational purposes only and not meant as legal advice.
You should consult a local attorney who is familiar with Chapter 13 adversary litigation for guidance. A Proof of Claim to which a timely objection is not made will be treated as an allowable claim of the bankruptcy estate.
Advice on this forum is for informational purposes only and should never be mistaken as a substitute for legal advice. If you are in need of legal advice, you should consult local legal counsel.