A package for light emitting apparatus having a long-length direction (x), a short-length direction (y) perpendicular to the long-length direction (x) as viewed in plan view, and a vertical direction (z) perpendicular to both the short-length direction (x) and the long-length direction (y), the package for light emitting apparatus comprising: first and second leadframes (11, 12) that are arranged at the both sides in said long-length direction (x); a third leadframe that is arranged between said first and second leadframes (11, 12); and a resin portion that is integrally formed with said first, second and third leadframes (11, 12, 13), wherein a recessed portion for accommodating a light emitting device (31, 32) is formed by said resin portion together with said first, second and third leadframes (11, 12, 13), wherein at least one of said first and third leadframes (11, 13) includes a first embedded extension portion (113, 133) that extends between said first and third leadframes (11, 13) and has a width smaller than a main portion of the first leadframe or the maximum width of the third leadframe, wherein the first embedded extension portion (113, 133) is embedded in said resin portion so that the first embedded extension portion (113, 133) is exposed neither on the exterior side of the package nor in said recessed portion and the first embedded extension portion (113, 133) is embedded right under a side wall of the recessed portion in the resin portion, wherein the bottom surfaces of said first, second and third leadframes (11, 12, 13) serve together with the bottom surface of said resin portion as the bottom surface of the package for light emitting apparatus, and wherein the bottom surfaces of the first and second leadframes (11, 12) serve as mount surfaces in the package for light emitting apparatus. first and second leadframes (11, 12) that are arranged at the both sides in said long-length direction (x); a third leadframe that is arranged between said first and second leadframes (11, 12); and a resin portion that is integrally formed with said first, second and third leadframes (11, 12, 13), wherein a recessed portion for accommodating a light emitting device (31, 32) is formed by said resin portion together with said first, second and third leadframes (11, 12, 13), wherein at least one of said first and third leadframes (11, 13) includes a first embedded extension portion (113, 133) that extends between said first and third leadframes (11, 13) and has a width smaller than a main portion of the first leadframe or the maximum width of the third leadframe, wherein the first embedded extension portion (113, 133) is embedded in said resin portion so that the first embedded extension portion (113, 133) is exposed neither on the exterior side of the package nor in said recessed portion and the first embedded extension portion (113, 133) is embedded right under a side wall of the recessed portion in the resin portion, wherein the bottom surfaces of said first, second and third leadframes (11, 12, 13) serve together with the bottom surface of said resin portion as the bottom surface of the package for light emitting apparatus, and wherein the bottom surfaces of the first and second leadframes (11, 12) serve as mount surfaces in the package for light emitting apparatus.