(a) Petitions for the reliefs of remission or mitigation of forfeitute should be filed within 30 days of the date of first publication of the advertisement as provided in Sec. 274.9 of this part. After a seized conveyance has been declared forfeited and placed in official use, sold, or otherwise disposed of according to law, petitions for the reliefs of remission or mitigation of forfeiture shall not be accepted.

(b) Petitions for the relief of restoration of proceeds of sale or the appraised value of a seized and forfeited conveyance placed in official use or otherwise disposed of according to law must be filed within 90 days of the sale of the seized and forfeited conveyance or within 90 days that the seized and forfeited conveyance is placed in official use or otherwise disposed of according to law.