7(7)If a well becomes a producing well on a section of a licence area that, immediately before the well became a producing well, had no producing wells located on it, the licensee shall, within 60 days after the well becomes a producing well, pay a pro-rated portion of the annual rental fee for the section for the period beginning on the date the well becomes a producing well and ending on the next anniversary date of the granting of the licence to search, both dates inclusive.