“1. When are individuals of the same sex lawfully married for federal tax purposes?
“2. Can same-sex spouses file federal tax returns using a married filing jointly or married filing separately status?
“3. Can a taxpayer and his or her same-sex spouse file a joint return if they were married in a state that recognizes same-sex marriages but they live in a state that does not recognize their marriage?
“4. Can a taxpayer’s same-sex spouse be a dependent of the taxpayer?
“5. Can a same-sex spouse file using head of household filing status?
“6. If same-sex spouses (who file using the married filing separately status) have a child, which parent may claim the child as a dependent?
“7. Can a same-sex spouse itemize deductions if his or her spouse claims a standard deduction?
“8. If a taxpayer adopts the child of his or her same-sex spouse as a second parent or co-parent, may the taxpayer (“adopting parent”) claim the adoption credit for the qualifying adoption expenses he or she pays or incurs to adopt the child?
“9. If a sole proprietor employs his or her same-sex spouse in his or her business, can the sole proprietor get a refund of Social Security, Medicare and FUTA taxes on the wages that the sole proprietor paid to the same-sex spouse as an employee in the business?
“10. Will the IRS issue further guidance on how qualified retirement plans and other tax-favored retirement arrangements must comply with Windsor and Rev. Rul. 2013-17?”