How do I get a copy of my husband's retirement plan for me to have in case I need it in the future?

To obtain a copy of your husband's retirement plan, he should contact the plan administrator or human resources department of his employer, as they can provide the necessary documents. He may need to authorize the release of this information to you if required. Additionally, reviewing any plan statements or documents he already has can provide insights into the plan's details. It's also a good idea to discuss and document your financial arrangements together for future reference.