In a voluntary conveyance the grantee of a unit shall be jointly and severally liable with the grantor for all unpaid assessments against the grantor for his share of the common expenses to the time of grant or conveyance, without prejudice to the grantee’s right to recover from the grantor the amounts paid by the grantee. However, any grantee shall be entitled to a statement from the manager or board of directors, setting forth the amount of the unpaid assessments against the grantor and the grantee shall not be liable for, nor shall the unit conveyed by [be] subject to a lien for, any unpaid assessments against the grantor in excess of the amount therein set forth.