1The opinion of the expert shall be provided in writing.
2Where there is more than one expert being appointed and they have different opinions, each of them shall present his/her opinion in a separate report.
3Where the facts are complex and the expert cannot give an immediate answer, the proceeding authority shall grant him a time period of time no more than sixty days. In case of need for especially complex verifications, such time period may also be extended for more than once for periods of time no more than thirty days, but at any case no more than the maximum time period of six months.