“合同生效签订后”这句话用英语怎么翻译啊?

“合同生效签订后”这句话用英语怎么翻译啊?
“合同生效签订后”这句话用英语怎么翻译啊?

“合同生效签订后”这句话用英语怎么翻译啊?
after this Contract comes into effect,
省略了"签订"

合同生效签订后 ＝ This contract (agreement) takes (will take) effect after signing.