marriage (legal)

I register it.

私は届け出ます

I register the marriage.

私は婚姻を届け出ます

I register the marriage at the ward office.

私は区役所で婚姻を届け出ます

I register the marriage at the ward office on Monday.

私は月曜日に区役所で婚姻を届け出ます

I register the marriage at the ward office with my spouse on Monday.

私は配偶者と月曜日に区役所で婚姻を届け出ます