When to file N400 for spouse of us citizen

[Capt.Larry 0]

For the purpose of filing N400 naturalization for the spouse of a us citizen. The 3 years count from the time legal resident status is gained. For a K1 visa that should be from the date of marriage ? Correct me if I'm wrong but we were told, while she was waiting for her conditional green card that the proof of her legal residency is her marriage certificate.... So does it start from her legal entry as a k1? the date of marriage? The date of issue of her conditional green card? The date her conditions are lifted (i-751) or date of issue of permanent  green card ? 

Edited February 9, 2017 by Capt.Larry

[Penguin_ie 5,984]

It is the date on her greencard, where it says "Resident Since...".; that date will be the ame on her 2 and 10 year greencard.

[EV11 18]

As your spouse is a Permanent Resident married to a US citizen she can file 90 days before her "Resident Since" date which as Penguin_ie noted will be the same on both her conditional/10 year green card. Marriage date, K1 visa issuance date etc has no bearing when it comes to starting the clock to citizenship. The clock starts the day she became a Permanent Resident which is noted on the front of her greencard.

Edited February 9, 2017 by EV11