PLAYERS SECTION VII - PLAYER RESPONSIBILITIES/ON-COURT RULES AND PROCEDURES authority to determine that a shoe does not meet these criteria and  may prohibit its use at any WTA Tournament. f.  Headwear and Wristbands i.  Commercial Identification ii.  Manufacturer Identification g.  Clothing Sponsor One (1) commercial identification, which may contain writing but  may not exceed three (3) square inches (or 19 sq. cm), may be placed  over the ear on the side of the headwear. One (1) manufacturer identification, which may contain writing but  may not exceed three (3) square inches (or 19 sq. cm), may be placed  on headwear and wristbands. The following rules apply to clothing sponsors: i.  A player may have only one (1) clothing sponsor. ii.  The clothing sponsor shall assume any or all of the positions reserved  for manufacturers on a player’s clothing as detailed in Section  VII.C.3.a-f above, subject to the same size limitations. iii. A player may not display any manufacturer identifications on her  clothing with the exception of her shoes, where she is permitted to  display either her clothing sponsor identification or the identification  of the shoe manufacturer in accordance with Section VII.C.3.e. iv. A player with a clothing sponsor also is permitted to display the  commercial identifications allowed under Section VII.C.3.a. above -  Shirts, Sweaters, Jackets. v.  Any player who chooses to have a clothing sponsor must wear the  WTA or WTA/sponsor patch on her shirt as required under Section  VII.C.8 without exception. h. Patches All patches must be firmly and professionally attached at all points on the  clothing or equipment. Players may not tape over patches. 132