Any application pending outside normal processing time at the US embassy, USCIS, and DOS among other federal agencies are eligible for filing Mandamus. Examples: US Green card applications, citizenship, marriage-based spouse immigrant visas, employment visas like L visa, H1B, H4, H4 EAD, investor-based immigrant visas, study visas such as F-1, B1/B2 visitor visa. You can file Mandamus for issuing or renewing passports.