also this is from USCIS official web site " This final rule supersedes the 1999 Interim Field Guidance on Deportability and Inadmissibility on Public Charge Grounds and goes into effect at 12:00 a.m. Eastern on Oct. 15, 60 days from the date of publication in the Federal Register. USCIS will apply the public charge inadmissibility final rule only to applications and petitions postmarked (or, if applicable, submitted electronically) on or after the effective date. Applications and petitions already pending with USCIS on the effective date of the rule (postmarked and accepted by USCIS) will be adjudicated based on the 1999 Interim Guidance. "