To provide an attachment structure of a cover for a charge port which is reducible in the number of part items, an attachment method of the cover for the charge port and the cover for the charge port.SOLUTION: A cover 5 for a charge port has a center main body part 50 for covering a front side of a release portion which is formed between a lid 3 and a charge port part 13, and first and second side parts 51, 52 arranged at both ends of the center main body part 50 in a vehicle width direction, and covering a sideway of the release portion. The first and second side parts 51, 52 have first and second supported parts 510, 520, respectively, which are rotatably supported to first and second support brackets 81, 82 arranged inside the charge port part 13 of a vehicle body 1.SELECTED DRAWING: Figure 4
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