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An umbrella or excess policy sits above scheduled underlying policies — commercial general liability, commercial auto, often employers' liability — and pays only after those limits are exhausted, which is how a contractor reaches catastrophic-claim limits without buying them at the primary layer. (c) inverts that structure. (a) confuses liability limits with workers' compensation, which is statutory, separate, and not something an umbrella replaces. (d) names the risk the CGL's 'your work' exclusion leaves with the contractor, and an umbrella follows the underlying policy's terms rather than curing its exclusions.

Civil Code §8416(a) requires a written statement, signed and verified by the claimant, containing the claimant's demand after deducting all just credits and offsets, the name of the owner or reputed owner if known, a general statement of the kind of work furnished, the name of the person who employed the claimant, a description of the site sufficient for identification, the claimant's address, and a proof of service affidavit; the statutory Notice of Mechanics Lien must be served with it. §8422 forgives erroneous information about the demand, the credits, the work, or the site unless the court finds the claimant intended to defraud, or a party without actual knowledge was misled to its prejudice. The other three answers are records no lien requires and that do nothing to identify the claim.

A contractor's own commercial general liability policy insures it against covered third-party bodily injury and property damage arising from its operations, whether or not anyone has named it on another policy. (a) and (c) reverse the direction of additional insured coverage — that status usually runs upward, giving the owner and prime access to the sub's insurer, not the other way round. (b) confuses the two coverages: workers' compensation answers injuries to the contractor's own employees, and third parties are not employees.

Notice to the lender is what keeps the fund-based remedy alive: a bonded stop payment notice under §8532 obliges the lender to withhold loan money it has not yet disbursed. (b) is the closest trap because lien priority is a real and valuable question, but priority turns on when work commenced relative to recording of the deed of trust, not on whom the preliminary notice went to. (c) reverses the point of the notice, which is to stop money rather than release it. (d) invents a claim against the lender's own insurance.

Public property cannot be sold to satisfy a private claim, so the legislature substituted two remedies: the direct contractor's payment bond and a stop payment notice served on the public entity against funds still unpaid. (d) is the sharpest distractor, because both bonds are posted on the same job — but the performance bond answers to the public entity for completion, and a sub is not its beneficiary. (a) concerns work ordered by someone other than the owner. (b) is first-party property insurance on the work itself and pays no one for unpaid labour or materials.

Recording a release bond under Civil Code §8424 substitutes the bond for the property, so the claimant's action runs against the surety and the principal rather than against title. (d) is the step the bond was recorded to foreclose, and pursuing it is the error the section exists to prevent. (a) misroutes a claim: the §7071.6 licence bond is claimed against its surety, and the CSLB holds no money. (c) reaches the wrong party — funds in the lender's hands are the target of a bonded stop payment notice, a separate remedy with its own notice conditions.

Coverage B of a workers' compensation policy answers employee-injury liability that the no-fault benefit system does not resolve — third-party-over actions, consequential claims by family members, and dual-capacity claims. (a) is Coverage A of the same policy, the statutory benefits themselves, and mistaking the two is the whole point of the item. (c) is commercial general liability, which excludes injury to employees precisely because this coverage handles it. (d) is a wage claim, which is neither an injury nor insured under a workers' compensation policy.

With no notice of completion or cessation recorded, Civil Code §8412 gives the direct contractor 90 days from completion to record. Counting 90 days from March 1 lands near the end of May.

Checking the certificate before the sub mobilizes verifies that the required coverage exists at the moment exposure begins, when it is still possible to keep an uninsured sub off the site. (a) confuses receiving a document with buying a policy. (b) reads the certificate as controlling the insurer, which it does not — cancellation rights live in the policy. (c) reverses the transfer: the purpose is to reach the sub's insurer for the sub's work, not to spend the general contractor's own limits on it.

The two bonds are issued together and answer different failures: the payment bond guarantees that subcontractors and suppliers are paid, and the performance bond guarantees to the owner that the work is completed according to the contract. (a) invents schedule and budget guarantees neither bond gives. (c) is half-right and therefore the strongest distractor — reduced lien exposure is a real benefit to the owner, but it is a consequence of subs being paid, and no bond exists to protect the surety. (d) reverses both beneficiaries.

Civil Code §8416(a)(5) requires a description of the site sufficient for identification; a street address usually does, and a legal description removes all doubt. §8422 then forgives an erroneous site description unless the court finds the claimant intended to defraud, or that a party without actual knowledge of the mistake was misled to its prejudice. (a) and (b) appear nowhere in the section. (d) is close enough to be tempting — §8416(a)(2) requires the owner's name if known and (a)(6) requires the CLAIMANT's address — but the owner's mailing address and phone number are not what identifies the property.

An additional insured endorsement lets the owner or general contractor tender a claim arising out of the subcontractor's work to the subcontractor's insurer and obtain a defense and indemnity under that policy, subject to its terms and limits. (a) is the dangerous reading: risk transfer supplements your own coverage and never excuses it. (b) confuses insurance with cost allocation — adding insureds does not reduce the premium. (c) describes a performance bond, which is a surety obligation rather than an insurance one.

Civil Code §8400(f) lists the design professional among the persons with a mechanics lien right for work provided to a work of improvement, subject to the same preliminary notice condition in §8410 and the recording deadlines in §8412 and §8414. California also gives design professionals a separate remedy in §8300 et seq. for design services furnished before construction starts, which §8302(c) allows only where a building permit or other governmental approval has been obtained using those services. (a) ignores both routes. (b) reverses the remedies, and a design professional's stop payment notice rights are expressly preserved in §8608(b). (c) confuses property insurance with a payment remedy.

Only the insurer can add an insured to a policy, and it does so by endorsement; a certificate is a broker's evidence of coverage and its own wording disclaims amending the policy. (d) is the substitute owners most often settle for — a notice provision tells the owner when coverage is ending, it does not make the owner an insured or give it a right to defense. (a) and (b) belong to other transactions entirely, one in the lien law and the other in a credit file.

A stop payment notice is served, not recorded; it directs the owner or lender to withhold funds. A mechanics lien, by contrast, is recorded against the property. Both require a valid underlying claim by someone who furnished work and proper service.

Labor Code §2775(b)(1) treats a worker as an employee unless the hiring entity proves all three parts of the ABC test, and §2781 sets the narrower conditions for construction subcontractors; the label on the paperwork settles nothing. An employer that owed coverage and had none faces the civil action §3706 allows, in which §3708 presumes the injury was caused by the employer's negligence and removes the usual defenses, plus §3700.5 misdemeanor exposure and suspension of the license under B&P §7125.2. (a) understates the exposure by orders of magnitude. (b) is the label-as-conclusion error the ABC test forecloses. (d) misreads the commercial general liability policy, which excludes bodily injury to the insured's own employees precisely because workers' compensation answers it.

Civil Code §8204(a) provides that a claimant who did not give preliminary notice is not precluded from giving one later, but is then entitled to claim only for work performed within the 20 days prior to service of the notice, and at any time thereafter. Service on Day 40 therefore protects deliveries from roughly Day 20 forward, and the deliveries from Day 1 to Day 19 fall outside the window. (b) treats a late notice as fatal, which the subdivision expressly says it is not. (c) ignores the look-back altogether. (a) counts 20 days forward from service instead of backward, which protects nothing the statute protects.

A mechanics lien ultimately requires a foreclosure action against the owner's real property to collect, making it more cumbersome than a stop payment notice (reaching funds) or a payment bond claim (reaching a surety). Claimants often pursue funds or bonds first.

Civil Code §8414 gives a claimant other than the direct contractor 30 days after a recorded notice of completion; miss it and the lien remedy is gone, though a payment bond claim, a timely stop payment notice, or a plain breach-of-contract action may remain. (a) borrows the direct contractor's 60-day period under §8412, which is not available to lower-tier claimants. (c) is the no-notice rule the recording displaced. (d) states the §8460 deadline for suing on a lien already recorded, which never revives a lien that was recorded too late.

A commercial general liability policy excludes bodily injury to an employee arising out of employment, because that injury belongs to workers' compensation, with Coverage B employers' liability picking up the suits the no-fault system does not resolve. (a), (b) and (c) are exactly what the CGL is bought for: third-party bodily injury and property damage arising out of the contractor's operations. The line is who was hurt, not how badly or where — an employee framing the same wall as the injured visitor produces a workers' compensation claim, not a CGL claim.

Under Civil Code §8600 et seq. the right to recover on a private-work payment bond tracks the notice conditions for a mechanics lien, so a claimant who had to give a preliminary notice must have given it — laborers and others excused from notice are excused here too. (a) imports the §8532 bond that accompanies a stop payment notice to a lender. (c) treats the remedies as sequential when they are alternative; a claimant may go against the bond without ever recording. (d) would make the bond useless, since its value is being payable without first litigating to judgment.

Insurance transfers the insured's own fortuitous losses to an insurer that does not expect repayment; a bond is a three-party guarantee running to an obligee, and the surety expects the principal to reimburse what it pays. Projects carry both because the risks do not overlap. (a) and (b) each describe insurance and then attach the label to both instruments. (c) mistakes who a bond protects — the owner is typically the obligee the bond runs to, so the bond protects the owner from the contractor, not the reverse.

A claimant that has been paid should execute and record a release, and an unreleased lien clouds the owner's title until it does. The owner's statutory remedy is the petition in Civil Code §8480: once the claimant has let the 90 days in §8460 pass without commencing an action to enforce the lien, the owner may petition for an order releasing the property, the claimant carries the burden of proving the lien's validity under §8488(a), and §8488(c) awards the prevailing party reasonable attorney's fees. §8494 then strips an expired lien of any effect as notice. (a) ignores the practical problem the statute addresses, since the cloud on title bites long before anything expires. (b) invents a treble-damages penalty this remedy does not carry. (d) names the wrong party's loss: the harm runs to the owner whose title is clouded, not to the contractor.

$25,000 is the contractor's bond every active licensee must keep on file under B&P §7071.6 — and the same figure is the minimum disciplinary bond under §7071.8 and the amount of the qualifying individual's bond under §7071.9. (b) is the real neighbor and the reason this item is worth asking: Civil Code §9550(a) requires a payment bond on a public works contract involving an expenditure in excess of $25,000, the identical number doing an unrelated job. (a) invents a statutory cap on liens; a lien is in the amount of the claimant's demand. (d) invents a CSLB insurance requirement — the only insurance the license law compels is workers' compensation under §7125, plus the limited liability company's liability policy under §7071.19.

SB 216 (Stats. 2022, ch. 978) wrote a version of §7125 that requires every licensee to carry workers' compensation or self-insurance whatever its classification, leaving only a §7029 joint venture with no employees exempt, and set it to start on January 1, 2026. SB 1455 (Stats. 2024, ch. 485) rewrote that start date: the new section "shall become operative on January 1, 2028" (b), and the interim §7125 — a no-employee exemption available to everyone except C-8, C-20, C-22, C-39 and D-49 holders — stays in effect until then. (a) is the original SB 216 date, which is why so much study material still states the all-licensee rule as current. (c) is a real date in the same bill, but for something else: by January 1, 2027 §7125.7 requires the board to establish a process to verify that licensees claiming the no-employee exemption are eligible. (d) is not a date either bill uses.

Until January 1, 2028, B&P §7125(b), as amended by SB 1455 (Stats. 2024, ch. 485), exempts an applicant or licensee that has no employees and files the Registrar's exemption statement — but only if it does not hold a C-8 (concrete), C-20 (warm-air heating, ventilating and air-conditioning), C-22 (asbestos abatement), C-39 (roofing) or D-49 (tree service) license. A C-33 painter is not on that list, so (c) may file. (a), (b) and (d) are on it: those holders must carry workers' compensation or a certification of self-insurance whether or not they employ anyone, and CSLB will not accept an exemption from them. From January 1, 2028 the list stops mattering, because the SB 216 version of §7125 requires every licensee to carry coverage except a §7029 joint venture with no employees — the painter included.

第 3722 条在两个不同的触发点上分两次征收。第 (a) 款随停工令一并作出，发生在任何人受伤之前，按签发并送达停工令时在雇人数每人 1,500 美元计。随后，第 (d)(2) 款在工伤被认定应予赔付时，按受伤之日在雇人数每人再加 10,000 美元。第 (f) 款的 100,000 美元是这些罚款「总额的上限」，本身不是一项罚款；而第 3700.5 条的刑事责任还叠加在这一切之上。

这是同一笔交易的两个半边。第 3600(a) 条规定雇主的赔偿责任「不问过失」，因此受伤工人即便部分甚至全部出于自身疏忽，仍可获得赔付。第 3602(a) 条则是这笔交易的对价：工伤赔偿请求是针对雇主的「唯一且排他」的救济，因此那起过失诉讼不能成立。狭窄的例外规定在别处——雇主故意殴打、欺诈性隐瞒伤情、雇主自制并出售的缺陷产品，或者雇主根本未投保。

两个期限从两个不同的事件起算。雇主自知悉工伤起有一个工作日交付索赔表。工人「递交」该表后，第 5402(c) 条要求雇主在一个工作日内授权符合适用诊疗指南的全部治疗，因此周三递交意味着周四之前。在索赔被接受或拒绝之前，这部分治疗责任以 10,000 美元为限——这笔钱正是在结论作出之前先花出去的，这就是该条的用意。90 天是另一个期限：未被拒绝的索赔到那时即被推定为应予赔付。

《民法典》第 8302 条为设计专业人员在「计划中的工程尚未开工」的情况下，仍在场地上设定留置权——该章存在的意义正在于此。本题的条件全部齐备：符合第 8014 条定义的人员（注册专业工程师）、与土地所有人之间的书面合同、为推进该工程而取得的建筑许可或其他政府批准，以及登记留置权主张时订约的土地所有人仍持有该地块。若当初未取得许可，则依该章根本不产生留置权。

加州要求对任何住宅工程总计500美元或以上（包括人工和材料）的工作签订书面家居改善合同（B&P §7159）。注意：这个500美元的“书面合同”门槛与§7048的1,000美元“无照小额工程”门槛是两个不同的数字——SB 517在2026年修订了§7159（分包商披露规则），但保留了这个500美元数字，别把两者混淆。

三天撤销权适用于在消费者家中征求和签署的合同。房主可以在第三个工作日午夜之前无罚款取消。

B&P §7159(d)(1)要求家居改善合同载明承包商的名称、营业地址和执照号；(d)款其余部分还要求合同价、工程与主要材料的说明、进度付款时间表以及大致开工与完工日期。法条并未要求执照到期日。它也未要求建筑师印章（属于图纸审查）、分包商名单（留在承包商自己的档案中）或工伤补偿保险单号（由保险人出具的证明载明）。

B&P第7159(d)条要求家居改善合同及其任何变更，在该变更所涵盖的工作开工之前，采用书面形式并由双方签署；第7159(c)(5)条则规定，变更令表格只有在满足这些条件时才成为合同的一部分。事后寄出的发票记录的是一笔账，而不是事先达成的协议。当地建筑部门审查规范符合性并签发许可证，它在使价格变更于业主与承包商之间产生约束力这件事上没有角色。也没有任何条文要求把变更令报送CSLB，无论是10天还是其他期限。

承包商不得在项目基本完成之前要求或接受最终付款。在此之前要求付款是违规行为。

仲裁条款是允许的，但必须清楚披露，在家居改善合同中以至少10磅粗体字书写，并由房主单独草签。

无正当理由放弃工程，依B&P第7107条本身即构成纪律处分的事由，因此暂停或吊销执照是现实可能；而为工程收取的定金被挪作他用，可依《刑法典》第484b条以挪用建设资金罪起诉——2,350美元及以下为轻罪，超过该数额处罚更重。只罚款而执照无恙、只退定金、只发警告信，三者都低估了第7107条允许的对执照本身的处分。

确保在工作开始前取得所有必要许可证是承包商的职业责任。在没有所需许可证的情况下施工是违规行为。

不可抗力条款在超出当事方控制的非常规事件阻止按时完成时，免除当事方的履约义务。

民法典第1671(b)条规定，违约金条款有效，除非质疑方证明该金额在订约时的情形下不合理——因此合理性以签约时为准。把金额定得很高以起阻止或惩罚作用，正是无法通过该检验的典型惩罚性条款。要求证明确切的实际损失，则违背了事先约定违约金的目的。在条款上签名或放弃仲裁与第1671条无关。

民法典第8200条使初步通知成为留置权的前提条件：给了初步通知，未获付款时索款人才可以申请（记录）留置权；不给，无论工程价值多少，留置权都会丧失。它不是付款要求，也不是停付款通知——后者是另一种救济，用于冻结尚未支付的工程款。建筑许可证由建筑部门为符合规范而签发，与初步通知无关。初步通知也不会争取到时间：第8412条规定的完工后90天留置权记录期限，按自己的时间表进行。

“时间和材料”合同按商定费率支付实际发生的人工工时，加上实际材料成本，再加上商定的加价或费用以涵盖管理费与利润；总价事先并不固定。开工前就定死的价格是总价（固定价）合同，恰是相反的安排。只付材料成本描述的是单纯的材料采购，而不是施工合同。固定时薪且不报销材料，则是纯人工或单价安排，材料成本全部由承包商承担。

在固定价格（总价）合同下，承包商承诺以一个价格交付完工成果，因此一切超支——人工效率、材料涨价、返工——都落在承包商身上。成本加固定费用合同正好相反：业主实报实销，费用固定，超支由业主承担。时间和材料合同按实际发生的工时和材料开单，成本风险同样留给付款一方。单价合同只固定每单位的单价，工程量风险仍在业主，承包商只承担自己每单位的生产效率风险。

分包商违约时，主承包商的合同救济是终止该分包合同、由他人完成该部分工作，并就差额向违约分包商追偿——若其提供了履约保证金，也可向保证人索赔。(a) CSLB 的纪律处分可以中止或吊销分包商执照，但注册官无权下令完成工程，也无法让主承包商获得赔偿；那是法院或仲裁员的职责。(d) 变更单把成本转嫁给业主，而业主既没有造成违约，也没有同意为同一范围付两次钱。(c) 一走了之比无用更糟：无正当法律理由弃工本身就构成 B&P §7107 下的处分事由，主承包商等于用一个追偿请求换来一个执照问题。

在私人工程中，业主必须在收到正确无争议发票后30天内向总承包商付款。

B&P §7108.5 给总承包商 7 天时间，自收到进度款起把各分包商的份额转付出去（b）；§7108.5(b) 对无故扣留的金额按每月 2% 罚息并加计律师费。(c) 10 天是加州民法典 §8814 另行规定的期限，适用于业主释放留置金后总承包商向分包商放款——那是另一笔款项、另一条法条，这正是本题在题干中指明「进度款」的原因。(a) 3 天和 (d) 30 天在这两条中都不存在；30 天像是私人合同想要写入的条款，但 §7108.5 不能被约定压到那么久。

加州《修复权法》（SB 800）规定：大多数组件1年，管道/电气/机械4年，结构缺陷10年。

加州将家居改善合同的首付款限制为1,000美元或合同价格的10%，以较低者为准。此处10%为4,000美元，因此较低的1,000美元上限适用。

首付款不得超过1,000美元或合同价格的10%，以较低者为准。6,000美元的10%是600美元，低于1,000美元，因此600美元是合法上限。

家居改善合同必须载明工作描述、付款时间表以及开工/完工日期等内容。房主的收入属于私人财务信息，从来不是必备合同条款。