STEP-BY-STEP ANSWER:
Step 1: Determine the net operating loss (NOL) for the current period.
Step 2: Identify the tax rules applicable for loss carryforward, including the number of future periods allowed.
Step 3: Calculate the potential tax benefit in each future period by applying the enacted tax rate to the loss amount.
Step 4: Recognize the deferred tax asset for the loss carryforward, and assess the need for a valuation allowance based on the likelihood of future taxable income.
Final Answer: Loss carryforward is applied by assessing the NOL, projecting future tax benefits using the enacted tax rate, and recording a deferred tax asset with adjustments for valuation allowance as necessary.