If married filfing separately, what itemized deductions can I claim?

[Coleen3]

Any and all that you pay. For example, the home mortgage interest and property taxes must be claimed by the person who actually pays them, even if they are on the mortgage and deed. State and Local taxes and mortgage interest are limited this year. Employee business expenses have been eliminated. See the Schedule A below.

https://www.irs.gov/pub/irs-pdf/f1040sa.pdf