No. Texas gives no grace period for an expired TABC certification. The day after your two-year card expires it is invalid — and because serving alcohol with an expired card removes Safe Harbor liability protection, employers will pull you off the schedule until you re-certify.
There is no buffer window: a certificate that expires at midnight is simply expired the next morning. To get current again you retake a state-approved TABC seller-server course (you cannot just renew the old number).
Why employers care so much: if a TABC sting or an incident happens and a server card is expired — even by one day — the establishment loses its Safe Harbor defense, and both the worker and the business can face serious fines. Most managers set reminders 30 to 60 days out. Do not panic if yours lapsed: the course is online, mobile-friendly, and takes about 2 hours and 15 minutes.
Card expired? Get back on the schedule fast.