When inquired by NewsRadio Senarath said his appointment comes following the resignation of Akila Viraj Kariyawasam as the UNP General Secretary.
The appointment will be effective till the 31st of December 2020.
Prasanna Shamal Senarath told NewsRadio the new office bearers of the UNP will be appointed after the 31st.
Former Parliamentarian Akila Viraj Kariyawasam tendered his letter of resignation as the UNP General Secretary on the 23rd of November.
Senarath said the Working Committee of the UNP is due to convene in the coming days.
(Except for the headline, this story, originally published by newsradio.lk has not been edited by SLM staff)