Originally Posted by
Yanwang
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Does anyone know that will UA re-issue second time if I book and cancel with this ETC again ( I thought UA will reissue a new one year expiration ETC, did not expect only 30days) ...
Re-issuing typically will maintain the original expiration (occasionally it gets a longer extension but that is not the common practice). You got a 30-day extension which is an exception.
If you are doing this to extend the expiration it is not a reliable process.
Instead
Extending a Credit/Travel/ETC Voucher by booking a refundable fare?