3. Damages for Noncompliance with This Article. Subsection (b) [Maine cite subsection (2)] sets forth the basic remedy for failure to comply with the requirements of this Article: a damage recovery in the amount of loss caused by the noncompliance. Subsection (c) [Maine cite subsection (3)] identifies who may recover under subsection (b) [Maine cite subsection (2)]. It affords a remedy to any aggrieved person who is a debtor or obligor. However, a principal obligor who is not a debtor may recover damages only for noncompliance with Section 9-616 [Maine cite section 9-1616], inasmuch as none of the other rights and duties in this Article run in favor of such a principal obligor. Such a principal obligor could not suffer any loss or damage on account of noncompliance with rights or duties of which it is not a beneficiary. Subsection (c) [Maine cite subsection (3)] also affords a remedy to an aggrieved person who holds a competing security interest or other lien, regardless of whether the aggrieved person is entitled to notification under Part 6. The remedy is available even to holders of senior security interests and other liens. The exercise of this remedy is subject to the normal rules of pleading and proof. A person who has delegated the duties of a secured party but who remains obligated to perform them is liable under this subsection. The last sentence of subsection (d) [Maine cite subsection (4)] eliminates the possibility of double recovery or other over- compensation arising out of a reduction or elimination of a deficiency under Section 9-626 [Maine cite section 9-1626], based on noncompliance with the provisions of this Part relating to collection, enforcement, disposition, or acceptance. Assuming no double recovery, a debtor whose deficiency is eliminated under Section 9-626 [Maine cite section 9-1626] may pursue a claim for