SECTION 1. Section 5 of chapter 59, as amended by sections 10, 11, and 12 of chapter 62 of the acts of 2014, is hereby amended by striking out the first sentence of the second paragraph of clause Eighteenth A and inserting in place thereof the following sentence:-

Any such person may, on or before the deadline for an application for exemption under section 59, apply to the board of assessors for an exemption of such real property from taxation during such year; provided, however, that in the case of real estate owned by a person jointly or as a tenant in common with a person not his spouse, the exemption shall not exceed that proportion of total valuation which the amount of his interest in such property bears to the whole tax due.

SECTION 2. Section 5 of chapter 59, as so amended, is hereby amended by striking out the first sentence of the third paragraph of clause Forty-first A and inserting in place thereof the following sentence:-

Any such person may, on or before the deadline for an application for exemption under section 59, apply to the board of assessors for an exemption of such real property from taxation during such year; provided, however, that in the case of real estate owned by a person jointly or as a tenant in common with a person not his spouse, the exemption shall not exceed that proportion of total valuation which the amount of his interest in such property bears to the whole tax due.

SECTION 3. Section 5C of chapter 59, as amended by section 13 of chapter 62 of the acts of 2014, is hereby amended by striking out the second paragraph and inserting in place thereof the following paragraph:-

In those cities and towns in which an exemption is made available hereunder, a taxpayer aggrieved by the failure to receive such residential exemption may apply for such residential exemption to the assessors, in writing, on a form approved by the commissioner on or before the deadline for an application for exemption under section 59.

SECTION 4. Section 5I of chapter 59, as appearing in the 2012 Official Edition, is hereby amended by striking out the second paragraph and inserting in place thereof the following paragraph:-

In those cities and towns in which an exemption is made available hereunder, a taxpayer aggrieved by the failure to receive such commercial exemption may apply for such commercial exemption to the assessors, in writing, on a form approved by the commissioner on or before the deadline for an application for exemption under section 59.

SECTION 5. Section 59 of chapter 59, as amended by section 16 of chapter 62 of the acts of 2014, is hereby amended by striking out the third paragraph and inserting in place thereof the following paragraph:-

An application for exemption under clause Seventeenth, Seventeenth C, Seventeenth C1/2, Seventeenth D, Eighteenth, Twenty-second, Twenty-second A, Twenty-second B, Twenty-second C, Twenty-second D, Twenty-second E, Twenty-second F, Thirty-seventh, Thirty-seventh A, Forty-first, Forty-first B, Forty-first C, Forty-first C1/2, Forty-second, Forty-third, Fifty-second, Fifty-third, Fifty-sixth and Fifty-seventh of section 5 may be made on or before April 1 of the year to which the tax relates, or within 3 months after the bill or notice of assessment was sent, whichever is later.

SECTION 6.  This act shall apply to taxes assessed for fiscal years beginning on or after July 1, 2015.