AWS 인보이스 생성 시점

참고

https://b01-kr-naver-vod.pstatic.net/blog/a/read/v2/VOD_ALPHA/blog_2021_05_24_1397/08da01b2-bc5c-11eb-bb1f-e2d255ecf553.mp4?_lsu_sa_=6ee537f3d15363d635d515316c9533bb7e68355801018fea348714cb774c31854c2c7ac46875f908301c3642b6378b54d90664640e9f08c9f10d7daba10861e005e4545ba0c4ab21a66db6b91f2a855d&in_out_flag=1