The local sales tax authorized in section 67.5012 shall be collected and allocated in the district as follows:
(1) Forty-five percent of the local sales taxes collected as described in section 67.5012 shall be deposited by the department of revenue in the parks, trails, and greenways district fund to be administered by the board of directors of that district to pay costs associated with the planning, development, supervision, improvement, maintenance, and custody of an interconnecting system of public parks, trails, open space, greenways, and recreational facilities within the boundaries of that district. Up to five percent of the amount deposited in that parks, trails, and greenways fund shall be used for grants to local public agencies to be used for activities that are consistent with the district's powers and duties as set forth in section 67.5006. Costs for office and project administration may be up to, but shall not exceed, fifteen percent of the amount deposited in a district fund pursuant to this subdivision;
(2) Fifteen percent of the local sales taxes collected as described in section 67.5012 shall be distributed by the department of revenue to the county to be used for planning, development, supervision, improvement, maintenance, and custody of public parks, trails, open spaces, greenways, and recreational facilities within the boundaries of a district; and
(3) Forty percent of the local sales taxes collected as described in section 67.5012 shall be distributed by the department of revenue to each of the cities in that county, in proportion to each city's relative local sales tax contribution, to be used for planning, development, supervision, improvement, maintenance, and custody of public parks, trails, open spaces, greenways, and recreational facilities within the boundaries of a district.