i94 Expired, USCIS returned package..what are the options?

[india2020]

My i94 expired on 29th Dec 2018, My company filed for the extension on the 26th Dec 2018 (Not the smart way to do it). Today i found that the USCIS had returned my package due to incomplete i129 form and asked to complete. the questions is;

1) Am i still legal to stay as my i94 has expired?
2) Should i complete the requested form and send it with cover letter? this was suggested by one of the lawyer in the company.

I am on L1A and this is my last extension.

[Libra_14]

My i94 expired on 29th Dec 2018, My company filed for the extension on the 26th Dec 2018 (Not the smart way to do it). Today i found that the USCIS had returned my package due to incomplete i129 form and asked to complete. the questions is;

1) Am i still legal to stay as my i94 has expired?
2) Should i complete the requested form and send it with cover letter? this was suggested by one of the lawyer in the company.

I am on L1A and this is my last extension.

Do you have the receipt number? if yes, then you can stay, otherwise you are already out-of-status.