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Form 637 (Rev. 10-2017)
Page
Activity Letter
Additional Information Required
E
Buyer (other than state or local government)
Provide the general information for all applicants.
of gas guzzler automobiles for ambulance,
law enforcement, or firefighting.
F
1. Provide a general description of the type of your educational facility, including faculty, curriculum,
Nonprofit educational organization, other
than a public school, buying taxable tires,
and student body.
certain heavy vehicles, sport fishing
2. Provide a copy of the IRS determination letter granting your exemption from federal income tax.
equipment (including fishing rods and
3. List products subject to federal excise tax you bought for the exclusive use of your organization
fishing poles), fishing tackle boxes, bows,
and how the products will be used in the operation of your organization.
quivers, broadheads, points, or arrow
4. List activities (other than educational) conducted by the organization.
shafts for its exclusive use.
I
1. List types and weights of tires you bought.
Buyer (other than nonprofit educational
organization or state or local government) of
2. Describe the types of buses (intercity, local, or school) on which the tires are used.
taxable tires for use on certain intercity,
3. Describe how the buses are used in the operation of the business.
local, or school buses.
K
Buyer of kerosene for a feedstock
List the type of kerosene you purchased; and describe the product and manufacturing process for
purpose.
which the kerosene will be used as a feedstock.
M Blender of gasoline, diesel fuel (including
1. List the products you bought or produced for blending with gasoline, diesel fuel, or kerosene.
a diesel-water fuel emulsion), or
2. List the annual volume of products you bought for blending.
kerosene, producing a taxable fuel
3. List the annual volume of blended taxable fuel you produced.
outside the bulk transfer/terminal
system, including blenders of alcohol fuel
mixtures, alternative fuel mixtures,
biodiesel mixtures, and renewable diesel
mixtures.
Q First retail seller of certain heavy
1. Describe the heavy vehicles you intend to sell.
vehicles.
2. Describe the exempt sales of the heavy vehicles you intend to make.
S
1. List the annual volume of gasoline, diesel fuel, and kerosene you entered into the United States or
Enterer, position holder, refiner, terminal
operator, or throughputter of gasoline,
produced.
2. List the locations and a description of your refineries, terminals, and pipelines.
diesel fuel (including a diesel-water fuel
emulsion), or kerosene, or industrial user
3. List the names and addresses of any person(s) who will be acting for you as an agent or broker in
of gasoline.
entering, buying, selling, or transporting any fuel.
4. List the business entities to whom you sell and with which you buy, trade, transfer, or exchange
any gasoline, diesel fuel, and kerosene.
5. Provide the annual volume of gasoline, diesel fuel, and kerosene you buy, sell, trade, transfer, or
exchange.
V
1. List the ODCs you import or manufacture for export.
Manufacturer, importer, or buyer of
ozone-depleting chemicals (ODCs) for
2. List the companies from which you buy ODCs for export.
export.
3. List the number of pounds for each type of ODC you exported in this calendar year and an
estimate for next calendar year.
4. List your export locations, and list your production allowance, consumption allowance, export
allowance, and export percentage as set by the Environmental Protection Agency.
X
1. Schematic or map of your pipeline locations.
Pipeline operator or vessel operator
(including certain deep-draft vessels)
2. Names and addresses of facilities served by your pipeline or vessel.
within the bulk transfer/terminal system.
3. Number, description, and capacities of your vessels used to transport taxable fuel.
Y
Buyer of kerosene for its use in
1. List the quantity, types, and gross take-off weights of all aircraft you own and/or operate. Include
commercial aviation (other than foreign
the countries of registration. Aircraft that you operate but that are owned by other persons should be
trade).
clearly designated. Information should be included as to the operating arrangements.
2. List the average number of operating hours (per month) of each aircraft that is listed in item 1.
Show the number of hours for commercial aviation (other than foreign trade) and noncommercial
aviation.
3. If you maintain kerosene storage facilities, list the location and capacity of each facility.
AB Producers and importers of
1. List the annual volume of agri-biodiesel you produced in or entered into the United States.
agri-biodiesel.
2. List the locations and a description of your production facilities.
3. List the names and addresses of any person(s) who will be acting for you as an agent or broker in
entering, buying, selling, or transporting any agri-biodiesel.
4. List the business entities to whom you sell and with which you buy, trade, transfer, or exchange
any agri-biodiesel.
5. Provide the annual volume of agri-biodiesel you buy, sell, trade, transfer, or exchange.
AF Producers and importers of alcohol.
1. List the annual volume of alcohol you produced in or entered into the United States.
2. List the locations and a description of your production facilities.
3. List the names and addresses of any person(s) who will be acting for you as an agent or broker in
entering, buying, selling, or transporting any alcohol.
4. List the business entities to whom you sell and with which you buy, trade, transfer, or exchange
any alcohol.
5. Provide the annual volume of alcohol you buy, sell, trade, transfer, or exchange.
637
Form
(Rev. 10-2017)