錯

tax return, w2, 1099 are supporting documents for 134 or 864. since 134/864 is not required, you don't need to send them. for eb i-485, employment letter serves as evidence for your means to support your family. make sure the employment letter is on employer's official letter head and clearly says the pay rate.

the recent paystubs is not always needed. when it is needed, it is used to support you have maintained legal status for your H1B.