47 C.F.R. § 90.551 Construction requirements.
Title 47 - Telecommunication
Each station authorized under this subpart to operate in the 764–776 MHz and 794–806 MHz frequency bands must be constructed and placed into operation within 12 months from the date of grant of the authorization. However, licensees may request a longer construction period, up to but not exceeding 5 years, pursuant to §90.155(b).
Title 47: Telecommunication
PART 90—PRIVATE LAND MOBILE RADIO SERVICES
Subpart R—Regulations Governing the Licensing and Use of Frequencies in the 764–776 and 794–806 MHz Bands
§ 90.551 Construction requirements.
