USCIS My case status does not recognize receipt number - don't worry. Check on DHS website or use browswer private mode. Technical problem on USCIS server.
Change in Appearance Form required if you have beard, moutache, wear glasses, turban, gained / lost weight and aged. CKGS may reject application if change found.
Does USCIS work during government shutdown - Yes, they work. H1B, H4 EAD, N400, Green card interviews are taken as scheduled. US embassy may not be open.
H1B Visa - Path to green card with US employer. Step by step guide to find H1B sponsor, stamping and green card process. Valid for 3 years. Stay upto 6 years.
Trump government will share merit based immigration plan to design path to citizenship (not even a green card) for H1B visa holders on May 16, 2019. Diversity lottery removal.
H1B Visa Stamping Documents Checklist - i797 A or B original approval, employment verification letter, Pay stubs, W2, LCA, passport, DS160, form I-129.