Theoretical predictions in high energy physics are routinely provided in the form of Monte Carlo generators. Comparisons of predictions from different programs and/or different initialization set-ups are often necessary. MC-TESTER can be used for such tests of decays of intermediate states (particles or resonances) in a semi-automated way. Since 2002 new functionalities were introduced into the package. In particular, it works now with the HepMC event record, the standard of C++ programs. The complete set-up for benchmarking the interface, such as between τ-lepton production and decay, including QED bremsstrahlung effects is shown. The example is chosen to illustrate the new options introduced into the program and novel ways of its use. From the technical perspective, our paper documents program updates and supplements previous documentation. As in the past, our test consists of two steps. Distinct Monte Carlo programs are run separately; events with decays of a chosen particle are searched, and information is stored by MC-TESTER. Then, at the analysis step, information from the pair of such runs may be compared and represented in a form of tables and plots. To be submitted to Computer Physics Communications, CERN-LCGAPP-2008-02 IFJPAN-IV-2008-9 † This work is partially supported by EU Marie Curie Research Training Network grant under the contract No. MRTN-CT-2006-0355505 and by Polish Government grant N202 06434 (2008-2010).