New King James Version
It will come to pass when you come to the land which the LORD will give you, just as He promised, that you shall keep this service.

King James Bible
And it shall come to pass, when ye be come to the land which the LORD will give you, according as he hath promised, that ye shall keep this service.

American Standard Version
And it shall come to pass, when ye are come to the land which Jehovah will give you, according as he hath promised, that ye shall keep this service.

Berean Study Bible
When you enter the land that the LORD will give you as He promised, you are to keep this service.

Douay-Rheims Bible
And when you have entered into the land which the Lord will give you as he hath promised, you shall observe these ceremonies.

English Revised Version
And it shall come to pass, when ye be come to the land which the LORD will give you, according as he hath promised, that ye shall keep this service.

World English Bible
It shall happen when you have come to the land which Yahweh will give you, according as he has promised, that you shall keep this service.

Young's Literal Translation
and it hath been, when ye come in unto the land which Jehovah giveth to you, as He hath spoken, that ye have kept this service;

Exodus 12:25 Additional Translations ...