The first hearing before the Board or hearing officer shall be commenced within 60 days from the date of receipt of the applicant's administratively complete application, unless the applicant has agreed, in writing, to an extension of time. Each subsequent hearing before the Board or hearing officer shall be held within 45 days of the prior hearing, unless otherwise agreed to by the applicant, in writing or on the record. An applicant shall complete the presentation of his case-in-chief within 100 days of the first hearing. Upon the request of the applicant, the Board or hearing officer shall assure that the applicant receives at least seven hours of hearings within the 100 days, including the first hearing. Persons opposed to the application shall complete the presentation of their opposition to the application within 100 days of the first hearing held after the completion of the applicant's case-in-chief. An applicant may, upon request, be granted additional hearings to complete his case-in-chief, provided the persons opposed to the application are granted an equal number of additional hearings. Persons opposed to the application may, upon the written consent or consent on the record by the applicant and municipality, be granted additional hearings to complete their opposition to the application, provided the applicant is granted an equal number of additional hearings for rebuttal.