A wildlife damage control operator shall have the permit in the permittee's possession while conducting wildlife damage control operations. The permittee shall provide the permit to a client or law enforcement officer upon request. A wildlife damage control operator may conduct wildlife damage control at any time. Allowable methods for trapping mammals include: Body-gripping traps which are: Larger than 8 inches by 8 inches or 8-inch diameter when the traps are submerged partially or totally in water; or Equal to or less than 8 inches by 8 inches or 8 inches in diameter: On, in, or under a building; In tidal wetlands, flooded nontidal wetlands, and in those portions of inland freshwater marshes, shrub swamps, wooded swamps, and bogs where water is covering the surface of the soil or the soil is waterlogged to the surface; or In all other locations when partially or totally submerged in water; Box-type live capture traps; Drowning sets; Foot-hold traps as follows: On land with a jaw spread no greater than 5-3/4 inches; or Completely submerged underwater with a maximum jaw spread of 7-3/4 inches; Snares; and Other capture devices as approved by the Service. A wildlife damage control operator may not use toothed or serrated jaw traps. A wildlife damage control operator shall: Check traps once every calendar day; Protect all cage type live traps from weather elements; and Remove dependent young when present in a structure during the course of wildlife removal. A wildlife damage control operator may remove the nests of migratory birds that do not contain eggs or young.