If a spouse visa application is rejected, the applicant typically has the right to appeal the decision, depending on the circumstances and the type of refusal. Here are the general steps to appeal:

1. Review the Refusal Notice: Carefully read the refusal notice to understand the reasons for the refusal and any options for appeal.
2. Determine Eligibility to Appeal: Check if you are eligible to appeal. Not all visa refusals allow for an appeal; some may only offer administrative review or reconsideration.
3. Submit an Appeal Form: Complete and submit the appropriate appeal form provided with the refusal notice within the specified timeframe. Include all necessary documents and evidence to support your appeal.
4. Attend an Appeal Hearing: If your appeal is accepted, you may need to attend an appeal hearing where you can present your case in person, provide additional evidence, and explain why you believe the decision should be overturned.
5. Await the Outcome: After the hearing, a decision will be made by an immigration judge based on the evidence presented and the immigration rules.
6. Consider Legal Advice: It may be beneficial to seek legal advice or assistance from an immigration lawyer or adviser, especially if the appeal process seems complex or if you are unsure about your options.

The appeal process can vary depending on individual circumstances and the specific grounds of refusal, so it’s important to carefully follow the instructions provided in the refusal notice and seek appropriate guidance if needed.