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Ted Loza, the former chief of staff to D.C. Councilmember Jim Graham, pleaded guilty in U.S. District Court Friday to two felony counts of accepting gratuities and one misdemeanor count of making false statements, ABC7 reports.

Loza faces up to 4 and a half years imprisonment and a fine of up to $500,000. Under federal sentencing guidelines, the likely range is a term of 8 to 14 months of incarceration and a fine ranging from $2,000 to $20,000, according to the U.S. Attorney's office.

Loza was arrested in 2009 and accused of accepting bribes and free trips from an undercover FBI informant in exchange for backing legislation that would have benefited the taxi industry. Loza has always maintained his innocence.

He is scheduled to be sentenced May 12.