A member of Steuerberaterversorgung Niedersachsen with a right to a future disability pension, or receiving a disability pension, may be granted a non-recurrent or repeated contribution towards the costs of necessarily particularly expensive medical rehabilitation measures upon request if his/her ability to work is at risk, reduced or non-existent due to physical infirmity, physical or mental weakness, or addiction, and if his/her ability to work can probably be preserved, considerably improved or re-established by means of such rehabilitation measures.