Rule § 73.3526(e)(5), 73.3527(e)(4)
Retention until a new, complete ownership report is filed with the FCC.
What's in here? These reports are filed every other year and in connection with the sale of a broadcast station and reflect what entities and individuals hold "attributable" interests in a broadcast station (that is, interests the Commission deems convey some influence over the station).
Is a Bienniel a Complete ownership report? Or do I keep all the bienneals and the last sale reports?