100. During periods when a telephone company is unable to supply telephone service to applicants within ten (10) days following application, the telephone company shall keep a record of each exchange showing the name and address of each applicant, the date of application, the class and rate of service applied for, and the reason for inability to provide such service. Each company shall prepare reports to the Commission of such held applications in any month in which the number of held applications exceeds five (5%) per cent of the number of stations in any central office. Such report shall show the number of held applications, the class of service applied for, and the reason in general, for the inability to provide such service. The term, applicant, as used herein shall mean a prospective customer who has applied for service using the company's regular application form.