Make sure your form states "Petition for Paternity, Legal Decision-making (Legal Custody),. Court Forms and Instructions.Completing the Forms. If the Probate Registrar determines that your Affidavit is complete, the Probate Registrar will issue a certified copy of the affidavit. Each heir that wishes to assign their rights must fully complete this affidavit, choose option 3b, and name the heir they wish to assign rights to. Use our I130 affidavit sample and tips to create a strong affidavit for your spouse. Include these key points and avoid common mistakes. • Fill out all the requested information in the Declaration Supporting Publication form and attach the original Affidavit of Publication. Please ensure that all documentation is legible and complete including phone numbers, social security numbers, dates of birth, etc. Print your complete name.