Former UFC bantamweight Carls John de Tomas has accepted a one-year suspension from the U.S. Anti-Doping Agency and California State Athletic Commission in connection with his canceled bout at UFC Fight Night 123.

The UFC’s anti-doping partner today confirmed Tomas’ suspension, which triggered his release from the promotion this past December.

According to USADA, Tomas (8-2 MMA, 0-2 UFC) tested positive for furosemide, a drug used to treat blood pressure that’s banned year round under the category of diuretics and masking agents. The 21-year-old Philippines native failed an out-of-competition test conducted Dec. 8, one day prior to a second-round submission loss against Alex Perez (19-4 MMA, 1-0 UFC) at the Dec. 9 event from Save Mart Center in Fresno, Calif.

Tomas’ suspension is retroactive to Dec. 29, the day he was provisionally suspended for a potential anti-doping violation and news of his failed test was announced. Tomas also received a one-year suspension and $2,500 fine from the CSAC, which regulated UFC Fight Night 123. CSAC Executive Director Andy Foster confirmed Tomas was suspended for furosemide.

Tomas originally was slated to face Perez at flyweight, but on fight week, the CSAC mandated he compete at bantamweight, because he was too heavy to complete in the 125-pound division. The commission this past year instituted a 10-point plan that includes fight-week weight checks to ensure an athlete isn’t cutting too many pounds.

Prior to his release, Tomas had competed twice in the octagon, losing back-to-back bouts against Naoki Inoue and Perez. He hasn’t fought since.

For complete coverage of UFC Fight Night 123, visit the UFC Events section of the site.