(a) So when my mom gifted me the house, the basis I have to use was when she purchased the house or the basis at the FMV when she gifted me? What do I do if she does not know or forgot the price purchased (she might have lost that documents when she come to the US as that document was very old, the property was purchased by my mom 20 years ago). Do I provide a statement and an estimate of the basis based on my mom's memory? The foreign country is located in Vietnam, and we do not receive any form such as 1099 as stated in the 8949 instruction
Also, when I filed 3520 last year, we did include an estimate of the current value of the house when my mom gifted me. Can I use that as my basis ?
