Certified Tax Resolution Specialist The Certified Tax Resolution Specialist designation is awarded to individuals who have met the educational, experience, and examination requirements prescribed by ASTPS. The CTRS designation is restricted to Enrolled Agent, CPA or Attorney members in good standing of the American Society of Tax problem Solvers, who have proven expertise to resolve a wide range of tax problems.A CTRS is expected, at a minimum, to be able to secure Offers In Compromise, Installment Agreements, Penalty Abatement, Innocent Spouse Relief, Release of Liens or Levies, and be able to handle Non-Filer issues.CharacterA Certified Tax Resolution Specialist must exhibit high moral and professional character. A CTRS represents clients before various taxing authorities to negotiate favorable solutions to their tax problems, therefore a reputation for truthfulness, credibility and adherence to ethical principles are mandatory. Have a Question Name Email Phone Question Thank you! Oops!